Signs that your relationship is just SEX.

1. He or She seems to always call to come over at around 10 PM or later.

2. His or her phone or text messages are usually sexually charged.

3. He or She does not make much of an attempt to get to know your family and friends.

4. The time you usually spend together is usually at his of her place.

5. Communication is limited - excuses are usually "Been busy", "Meant to call you, got sidetracked at work".