Boyfriend's strange behavior

my boyfriend likes to wear my panties,he also told my that he steals panties from laundromats to wear, because it arouses him.last week he told me that he hid in a laundromat and watched women to their laundry for many hours, whats wrong with him and whats he going to do next does he need professional help?

Your boyfriend is suffering from fetishism. He might not do worse things than this. Is he interested in being cured? It is often difficult to cure behavior when the person gets pleasure out of it.

Read about fetishism.