It’s dangerous and sad to fall into abusive relationships. He may be violent if he has features described below.

1. Narrow forehead and low hair line. This means he may be moody and easily freak out.

2. Prominent brow ridges and skinny but high cheek bones.

3. Dry and dark skin in the temple area along with protruding eyes. Fighting and shouting is to be expected in this case. 
4. Wrinkles on nose bridge and flat contour under the eyes. Their partners will very likely be their punching bag.