If you want to do something new rather than the usual "Dear John" try this 3D card. Give him a piece of your scrap-booking talent that will surely make him say "Wow babe, Thanks!" :)
Applying a bit of recycling, the hearts on the side (right) are Hershey kisses wrapper folded in heart-shaped :) You can also buy heart-fold paper in bookstores (scrap book section) to reduce the effort of folding and cutting.