HELP EMERGENCYY!! PLEASE ANSWERR ASAP!!!!!!!!!!!!!!!!!?

okayy, well i was just at the movies with my friends and my boyfriend....me and my boyfriendd started making out and he would continuously bite my bottom lip and pull it and suck on it...after awhile it started hurting so id grab his neck to stop but i think he got the wrong idea and thought i wanted him to continue....anyway well now my lip is soo swollen and its getting purple and idk what to do with the hickey!! im 'not allowed to date' so there is no POSSIBLE way my mom/dad can find out!! any tips on how to get rid of the hickey ASAP????