Yeah it's odd when you look back at your own work. Some filmmakers don't look back at their work at all. I look at my work a lot actually. I feel like I learned something while looking at stuff I've done in terms of what I'm going to do in the future mistakes I've made and things at work or what have you.
You lie awake at 3 in the morning thinking of story ideas. You're online at 8 a.m. on a Sunday or midnight on a Wednesday. It's a job that you never push aside.