I get homesick. PLEASE PLEASE HELP ME?

okay so i am going to florida in 3 days, without my mom or dad or sister. i am going with my cousins. for 10 days. were driving which will take us 20 hours. i get very home sick so can you please tell me what i can do so i dont get homesick. i just want to have fun! also any carsickness tips? besides not reading and taking dramamine? PLEASE HELP ME!!!!!!!!