ADHD

It's a constant struggle, and one in which you lose more often than you win. If you add parenthood and ambition to it, you're playing in hard mode. 

I found it helps to deal with it one day at a time, take the losses and live to fight another day than "work" until 3am. But even on good days, with plenty of sleep and focus, frustration is constantly one task away. The to-do list is a constant reminder of what you didn't manage to do. Hardcore compartmentalisation is not a solution - it's the bare minimum.

In the midst of all this, it's hard to remember "your task is to be a good human being." Memento is a good metaphor: I try to keep track of small wins and focus on the trend.