diff --git a/main.lua b/main.lua
index 6a580b2..bc4ca54 100644
--- a/main.lua
+++ b/main.lua
@@ -8,6 +8,8 @@ local CONFIG  =  require 'config'
 if CONFIG.LUA_EXTRA_PATH  then  package.path  = package.path  .. CONFIG.LUA_EXTRA_PATH   end
 if CONFIG.LUA_EXTRA_CPATH then  package.cpath = package.cpath .. CONFIG.LUA_EXTRA_CPATH  end
 
+local FARVEL_INTERVAL  = 90
+
 --------------------------------------------------------------------------------
 -- Meme utils
 
@@ -299,11 +301,23 @@ local function reverse (l0)
     return l
 end
 
-local COMP_SENTENCES = {
-    '{A} er bedre end {B}',
-    '{A} er meget bedre end {B}',
-    '{B} er dårligere end {A}',
-}
+local COMP_SENTENCES do
+    local ORD_MED_ATTITYDE = {
+        bedre     = 'positiv',
+        dårligere = 'negativ'
+        hurtigere = 'positiv'
+        langsommere = 'negativt'
+        robust      = 'positivt'
+    }
+    local COMP_SENTENCES = {}
+    for ord, attityde in pairs(ORD_MED_ATTITYDE) do
+        local first, second = '{A}', '{B}'
+        if attityde == 'negativ' then  first, second = second, first  end
+        for _, fmt in ipairs { '%s er %s end %s', '%s er mere %s end %s', '%s er meget %s end %s', '%s %s end %s' } do
+            table.insert(COMP_SENTENCES, fmt:format(first, ord, second))
+        end
+    end
+end
 
 for sentence_i, sentence in ipairs(COMP_SENTENCES) do
     local A_pos, B_pos  =  sentence:find '{A}', sentence:find '{B}'
@@ -376,6 +390,8 @@ local function escape_pattern (text)
     return text:gsub('[+-?*]', '%%%1')
 end
 
+local FORRIGE_FARVEL   =  0
+
 local function handle_message(bot, user, channel, message)
     -- Direct commands
     if message:lower():match('^'..escape_pattern(BOT_NICK)..'%f[%A]') then
@@ -398,14 +414,17 @@ local function handle_message(bot, user, channel, message)
     end
 
     -- Farvel msg
-    for farvel_fmt, possible_answeres in pairs(FARVEL) do
-        if message:match('%f[%a]'..farvel_fmt..'%f[%A]') then
-            human_delay()
-            local answer = possible_answeres[math.random(#possible_answeres)]
-                        .. (math.random() < 0.5 and ', '..user.nick or '')
-                        .. (math.random() < 0.5 and '!' or '')
-            bot:sendChat(channel, answer)
-            return 'SES'
+    if FORRIGE_FARVEL + FARVEL_INTERVAL < os.time() then
+        for farvel_fmt, possible_answeres in pairs(FARVEL) do
+            if message:match('%f[%a]'..farvel_fmt..'%f[%A]') then
+                human_delay()
+                local answer = possible_answeres[math.random(#possible_answeres)]
+                            .. (math.random() < 0.5 and ', '..user.nick or '')
+                            .. (math.random() < 0.5 and '!' or '')
+                bot:sendChat(channel, answer)
+                FORRIGE_FARVEL = os.time()
+                return 'SES'
+            end
         end
     end