im am almost 18 and he is almost 21. we have been together 3 years in feb. we live together(for a year so far). i am still in highschool and dont have a jod but he does. we used to make love all the time but now we rarely do i have to practically beg or get him when hes half asleep lol. and when we do its 45 mins or less and never more than once. i ask him why he doesnt want me anymore and he always just says hes tired. can you help me????