My Future Self Has Come Back to Kill Me

At a class reunion, Waver Velvet heard a question:

If one day you suddenly returned to the time you could never forget and met your younger self, how would you react?

Waver Velvet clearly remembered his first thought when he heard this question, so full of time-travel paradoxes...

Do I really have to be unlucky enough to run into that idiot?

Theme: Self-redemption