I usually like to remember a face, but in your case i'll make an exception.
#2
When someone is singing someone else's song, ask them "who sings that again" once they reply, you say "yeah let's keep it that way".
#3
If you're having a conversation about someone who you don't particularly like, say "You know what's interesting about him/her?" once they say oh what? you say "Nothing".
#4
When you come across someone really frustrating, dense and generally common, when they say something you should say "Yes, you must be so mysteriouse 'n' deep".

