Revising a screenplay is much more frustrating than revising a song because you have to read through the entire work again while you are changing stuff. It is a lot easier to edit a song. ↗
In order to be able to give a girlfriend the amount of time she deserves, you would need time, and I just can't give her that. So, rather than being selfish or stupid enough to go into a relationship, it's just been easier to be single. ↗