Men behave very oddly in the company of attractive women.
I think a lot of bands are creatively knackered when they come off tour.
You really only understand whether a song's good or not when you properly play it out in public for the first time.
Why play a chord when you can play one note?
A lot of bands have the enthusiasm kicked out of them by playing really dreary pub venues that just churn bands through.
People's musical tastes are fickle, and music can be a fashion.