Im in a serious relationship, and ever since i found out that my ex gave me hpv i stopped wanting sex. i feel tired most of the time?

Several posibilities: This may be purely psychological, but before seeing a therapist would make sure that he did not give you more than hpv. The general assumption by doctors is that if you have one std there is a good chance you have more than one. Go and get extensively tested. If negative you might want to see a clinical psychologist or a psychiatrist. General fatigue is often due to depression. Good luck.