You shouldn't fake your wealth.
Joey, who is an impoverished artist, has met a girl who he is quite excited about.
Joey wants to impress the new girl.
Joey decides to impress her instead with his artistic talents.
Joey exaggerates his income in an effort to impress the girl.
The girl is impressed by Joey and wants to spend more time with him.
The girl finds out and is put off because he lied to her.