#15 When you are out of favor with them they isolate you to gain control. The best way to control someone is to be the only one in their life that they depend on. In a narcissistic abuse situation, the narcissist does all that they can to isolate their victim from friends and family members to manipulate them emotionally.
#16 They may be physically abusive. A narcissist uses emotional manipulation to control their victim, but they can also be physically abusive.
The worst part about being in a narcissistic abusive relationship is that by the time you know you are being abused, you have very little left to fight with. Breaking free from the abuse as an adult can be very difficult. Overcoming the childhood abuse can be overwhelming.