What do i do now? easy 10 points, please help me!!!!! easy read!!?

ok, well my crush is a jerk to me, and today after he was especially jerky, i told him so and to leave me alone, and he was an even bigger jerk. i warned him to stop before telling him off. he was telling me i look lovely, he likes my earrings, and then he was just being extremely mean and jerkish. after school he was alone as was i, it looked like he was about to say something to me, but i walked away, cos he made me mad. what do i do tommorow? how do i act? what do i say? any tips? please help me!!! do i let him no i dont like him at all,? please help, thanks sooo much:)