Memories, even your most precious ones, fade surprisingly quickly. But I don’t go along with that. The memories I value most, I don’t ever see them fading.
I don’t think you should spend much time being unhappy about the bad breaks. You get a lot of them, but you also get a lot of good ones. The thing to do is just to maximize your odds of using the good ones and minimizing the effects of the bad ones.
To understand mathematics is to understand the fabric of reality.