What about trying to be persistent and convincing that person you're worth it?
Nah never do that, it never works and if it does its temporarily until they realize they actually don't really like you again.
I've jump through hoops before to prove how much I cared about someone in the past, its something I'll never ever do again and I strongly suggest no one else does. That's the type of thing you do for a person when they are A) willing to do the same for you and B) your actually in a serious relationship.
People really don't appreciate that kind of thing from people they don't have an attraction to.
I have a relative that is married to someone that drives them insane because something like this.

sorry 
so proceed with caution
