Just because you know umpteen billion scales, it doesn't mean you have to use them all in a solo.
I need something to do when I'm not working, or I crawl up the walls. So I've just taken up kung fu. I was looking for some kind of calming, relaxing activity. I tried yoga, but it wasn't really me.
Normally I begin writing a song with just with aim to express something, and sometimes I don't know what I want to express until a sentence comes to my head that will sum up everything about how I'm feeling at the time.