Relationships have sexual ups and downs — and that's normal. Factors, from stress to busy schedules to hormones, can get in the way of intimacy and make our sex lives feel less exciting than they likely did at the beginning of a relationship.If you’re feeling overwhelmed by your bedroom problems, it may be time to consider calling in some professional backup and seeing a sex therapist. “There are always one-offs here and there, such as stress, lifestyle, and hormones," says sex therapist Kat Van Kirk , PhD, "but the real indicator that you need someone to address your issues it is to look for a pattern."Sex therapist Vanessa Marin agrees, pointing out that waiting to solve an issue can be unhealthy for your relationship. “Too many couples put off sex therapy and the problem snowballs,” she says. "If you're in crisis mode by the time you land in a therapist's office, you're going to have to spend more time trying to address your anger and resentment than you will addressing the original issue."Click through for seven signs you might benefit from sex therapy from Drs. Kat and Marin.