The other aspect is that you become much more aware of the structural problems that pertain to that continent. You feel the need to act to try and solve them. ↗
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. ↗
One of my favorite actors is Paul Newman. He could tell so much with a single look, whereas some actors would need an entire five page monologue to give off the feeling of what he could say with just a single look. ↗