How to get my ex boyfriend back?

Hey guys I need to get my ex boyfriend back.He is the only boyfriend i have ever had.I only dumped him as we went out for 6 months and we didn't even have a French kiss togther. I wanna give it another go we are still friends i met him yesteday and we talked but i want him back i miss him so much. I know im to young to have boyfriends but i think it will help me do well at school as im doing bad at moment