More Dating Advice - What's My Play

[TomCollins]

He called again during a date with her, and she flat out told me "he just isn't smart enough to be with me." She also was trying to figure out ways to let him down gently since he was the type to get way involved. Keeps saying he loves her, probably the type to kill himself over a girl he knew for a month. Looks like I am in like Flynn.

So the next question is, how does she let him down gently?