If you help me I'll 'make it worth your while'. [=I'll make it worthwhile for you; I'll reward you for helping me]
Seeing my children's joy made building the tree house all 'worthwhile'.
The money is for a 'worthwhile' cause/charity.
(..) Hmm. That would be bad. - But I bet there's some butterflies That you could change. I mean, why not make this trip worthwhile? - No, you can never change the past. It's bad, always. Everything is connected. Not everything. (..)2009 TvShow: Heroes Title: Chapter One 'Orientation/Jump, Push, Fall' Season: 4 Episode 1