When both sources are cut off, self-esteem plummets. The way for them to achieve in this area is being able to dominate and control people. They see people as things to conquer. Women tend to look for security in relationships with men and men tend to look for youth and beauty in a female partner. Consequently, women tend to marry socially upwards and men tend to marry socially downwards.
Women tend to marry older men and men, younger women.
Expressed simply, if a woman can walk all over you, she is not going to respect you. If she doesn't respect you, then she's not likely to want a relationship with you. Now, about Jerks. Jerks tend to see themselves positively and other people negatively, so they tend to have high levels of self-confidence and little respect for other people. It is the high self-confidence that attracts women to them, as it causes them to be rambunctions, energetic risk takers.