false sense of humor
An inflated feeling that one has a good sense of humor because his/her significant other laughs at all of his/her jokes.
"Dude, why does Adrian think he is so funny, his jokes are lame."
"Because his girlfriend giggles at every single one of his jokes and gives him a false sense of humor."
"Because his girlfriend giggles at every single one of his jokes and gives him a false sense of humor."