I'm mad at my roommate for taking his sweet ass time when I volunteered to give him a ride.
Is he usually rude to you?
Yes, he is a dick to me.
I'm sure it's frustrating dealing with someone who is rude to you, but you should try to be patient with him. Getting angry will just make you feel worse and not fix the issue.
I'm too good for this shit.
That's right, it's better to not let this crap bother you. Otherwise you'll just be mad 24/7.