A: There are many kinds of abuse that can happen within a relationship. Some are obvious, like physical and sexual violence against another person. Many times, though, abuse is more subtle, harder to recognize and understand.

Some people verbally abuse their partners, criticizing, calling names and taunting them. Sometimes the abuse is emotional. One partner withholds affection, withdraws, or gets angry, threatening and controlling. If a person feels unsafe in a relationship, chances are the relationship is unhealthy.

Relationships should give love, respect, nurturing and appreciation. Exposure to any kind of abuse for a long time can damage a person's physical and emotional health.

For more info, read fast facts: abusive relationships.