Get some Gly-oxide for that sore and seriously... drive responsibly.
I'm also not going to degrade you by saying "you have it better than everyone else" because that **** isn't helpful. Happiness is relative, and just because you have it better than someone else doesn't make you magically feel better. I'm sure even though many people in Africa are living rough lives, they might also be living better than someone else.
Just like you can't tell someone who just lost his arm that "dude, you can't complain that other guy lost ALL his limbs." That **** isn't helpful, and it's insulting to you as a person. We all have our ups and downs, and people shouldn't be convincing you that it's not justified because others have it worse. There's always someone worse off.
But ya, don't drive stupid.