Originally Posted by Engine

Along those lines, I do have a pet peeve in this realm. When you thank somebody for something and instead of saying nothing or just giving a slight nod (both of which are totally acceptable to me), they say "Mhm" or "Sure" or "No Problem" or, god forbid, "No Worries". I'd much rather hear nothing than those meaningless words. I already know I wasn't creating a 'problem' or a 'worry' so just say "You're Welcome" or be humbly quiet.