I've spent many an hour staring at somebody else's code. I love it, but so often when I'm in the middle of a project I totally forget about those time's I've s

I've spent many an hour staring at somebody else's code. I love it, but so often when I'm in the middle of a project I totally forget about those time's I've seen code that made me go "wow, I should do that." Am I doing something wrong? Notes or something?