Is it okay that I'm dating my first cousin
No it's not. Why are you dating your cousin?
Because I like her and she's hot
You may not have a very good understanding about cultural norms. It is considered taboo to date your first cousin. There are biological ramifications if you have a child together.
I don't care. Even if I end up pregnant, I'll get an abortion.
I really think you should end the relationship with your cousin. It's not appropriate at all. I'm sure you could find a great relationship with someone outside of your family.