On your 10 year anniversary, say "me and this girl started about 2 years ago so fuck you bitch" (text them that, then block them immediately)
If you're dumped you have to use this line "if you don't like me blow me" I forget who said that though.
A: hey, I think we need to break up. B: NO! NEVER! A: I thought you'd say that *pulls out gun* only one way out b****!!! *kills self* Good times