This Is The Difference Between Casual Hookups & Casual Relationships, According To Experts. A causal relationship is a physical and emotional relationship without the commitment, labels, or demands of a committed relationship. A casual hookup is a sexual relationship that only exists for fulfilling sexual needs.

How do you know if a guy wants a relationship or a hookup?

Telltale Signs He Only Wants to Hook Up: He doesnt take you on actual dates. He tells you he doesnt want a relationship right now. He doesnt try to get to know you. Doesnt introduce you to his people.