This patient support community is for discussions relating to relationships, abstinence, arousal problems, birth control, cohabitation, commitment, communication, couples counseling, desire, sexual technique, and sexually transmitted diseases (STDs).
By the way sex 3 times a week is considered excellent now a days and you live with your dad and must respect his house. It's time to confront your b/f and tell him what you found. Tell him women are courious by nature and what you found needs an explanation. If you sense he's not being honest, it's time to bring it out in the open and not live everyday with this doubt.