What do you call a person who dates everyone?

Polyamory (from Greek πολύ poly, many, and Latin amor, love) is the practice of, or desire for, intimate relationships with more than one partner, with the informed consent of all partners involved.

What do you call a man who dates a lot?

Casanova. noun. a man with a reputation for having many sexual partners.

What do you call someone who has a lot of lovers?

promiscuous. adjective. showing disapproval having sex with a lot of different people.

What can cause hypersexuality?

The causes of hypersexual behaviour are not well understood. However, sex addiction and hypersexuality may sometimes be caused by traumatic experiences, distress, or by mental illness, such as bipolar disorder. Adults who have been sexually abused as children may display increased sexual behaviour.