Investing everything into a deadend, and when it ended I did get something from it out the other end but I don't consider it worth the troubles. I would say investing in people who don't want what you're offering. Is just a really bad choice for ourselves. We only have one mind and body to live this life with.

Jumping out of the swing is fun, but you always hit the ground again.

There are always the what ifs.

Because the happiness was due to afterwards failed expectations.

I should never ever have to pay for what past me did, that guy's an idiot