diff --git a/bin/autojump b/bin/autojump
index ce167bd..43a3123 100755
--- a/bin/autojump
+++ b/bin/autojump
@@ -57,6 +57,9 @@ class Database:
         """
         Increase weight of existing paths or initialize new ones to 10.
         """
+        if path == self.config['home']:
+            return
+
         path = path.rstrip(os.sep)
 
         if self.data[path]:
@@ -70,6 +73,9 @@ class Database:
         """
         Decrease weight of existing path. Unknown ones are ignored.
         """
+        if path == self.config['home']:
+            return
+
         if self.data[path] < increment:
             self.data[path] = 0
         else:
@@ -205,32 +211,30 @@ class Database:
 def set_defaults():
     config = {}
 
-    config['version'] = 'release-v21.6.0'
+    config['version'] = 'release-v21.6.1'
     config['max_weight'] = 1000
     config['max_paths'] = 1000
     config['separator'] = '__'
+    config['home'] = os.path.expanduser('HOME')
 
     config['ignore_case'] = False
     config['keep_entries'] = False
     config['keep_symlinks'] = False
     config['debug'] = False
 
-    home = os.path.expanduser('HOME')
     xdg_data = os.environ.get('XDG_DATA_HOME') or \
-            os.path.join(home, '.local', 'share')
+            os.path.join(config['home'], '.local', 'share')
     config['data'] = os.path.join(xdg_data, 'autojump')
     config['db'] = config['data'] + '/autojump.txt'
 
     return config
 
 def parse_env(config):
-    home = os.path.expanduser('HOME')
-
     if 'AUTOJUMP_DATA_DIR' in os.environ:
         config['data'] = os.environ.get('AUTOJUMP_DATA_DIR')
         config['db'] = config['data'] + '/autojump.txt'
 
-    if config['data'] == home:
+    if config['data'] == config['home']:
         config['db'] = config['data'] + '/.autojump.txt'
 
     if 'AUTOJUMP_KEEP_ALL_ENTRIES' in os.environ and \
@@ -256,9 +260,12 @@ def parse_arg(config):
             'directory', metavar='DIRECTORY', nargs='*', default='',
             help='directory to jump to')
     parser.add_argument(
-            '-a', '--add', '--increase', metavar='DIRECTORY',
-            help='manually add path to database, or increase path weight for \
-            existing paths')
+            '-a', '--add', metavar='DIRECTORY',
+            help='manually add path to database')
+    parser.add_argument(
+            '-i', '--increase', metavar='WEIGHT', nargs='?', type=int,
+            const=20, default=False,
+            help='manually increase path weight in database')
     parser.add_argument(
             '-d', '--decrease', metavar='WEIGHT', nargs='?', type=int,
             const=15, default=False,
@@ -282,19 +289,23 @@ def parse_arg(config):
     args = parser.parse_args()
     db = Database(config)
 
-    if (args.add):
-        if (args.add != os.path.expanduser("~")):
-            db.add(decode(args.add))
-
+    if args.add:
+        db.add(decode(args.add))
         sys.exit(0)
 
-    if (args.decrease):
-        if (args.decrease != os.path.expanduser("~")):
-            db.decrease(os.getcwd(), args.decrease)
-
+    if args.increase:
+        print("%.2f:\t old directory weight" % db.get_weight(os.getcwd()))
+        db.add(os.getcwd(), args.increase)
+        print("%.2f:\t new directory weight" % db.get_weight(os.getcwd()))
         sys.exit(0)
 
-    if (args.purge):
+    if args.decrease:
+        print("%.2f:\t old directory weight" % db.get_weight(os.getcwd()))
+        db.decrease(os.getcwd(), args.decrease)
+        print("%.2f:\t new directory weight" % db.get_weight(os.getcwd()))
+        sys.exit(0)
+
+    if args.purge:
         removed = db.purge()
 
         if len(removed):
@@ -305,7 +316,7 @@ def parse_arg(config):
 
         sys.exit(0)
 
-    if (args.stat):
+    if args.stat:
         for path, weight in sorted(db.data.items(),
                 key=operator.itemgetter(1))[-100:]:
             output(unico("%.1f:\t%s") % (weight, path))
@@ -313,8 +324,9 @@ def parse_arg(config):
         print("________________________________________\n")
         print("%d:\t total key weight" % sum(db.data.values()))
         print("%d:\t stored directories" % len(db.data))
-        print("db file: %s" % config['db'])
+        print("%.2f:\t current directory weight" % db.get_weight(os.getcwd()))
 
+        print("\ndb file: %s" % config['db'])
         sys.exit(0)
 
     config['args'] = args
@@ -352,17 +364,17 @@ def unico(text):
     else:
         return unicode(text)
 
-def match_last(pattern):
+def match_last(config, pattern):
     """
     If the last pattern contains a full path, jump there.
     The regexp is because we need to support stuff like
     "j wo jo__3__/home/joel/workspace/joel" for zsh.
     """
-    last_pattern_path = re.sub("(.*)"+COMPLETION_SEPARATOR, "", pattern[-1])
+    last_pattern_path = re.sub("(.*)"+config['separator'], "", pattern[-1])
     if (len(last_pattern_path) > 0 and
             last_pattern_path[0] == "/" and
             os.path.exists(last_pattern_path)):
-        if not ARGS.complete:
+        if not config['args'].complete:
             output(last_pattern_path)
             return True
     return False
@@ -476,7 +488,7 @@ def main():
 
     # check last pattern for full path
     # FIXME: disabled until zsh tab completion is fixed on the shell side
-    # if match_last(patterns):
+    # if match_last(config, patterns):
         # return True
 
     # check for tab completion