mama.....I got the same feeling that he was using the children to get close to you....
Booty call is not the same thing as quality companionship....I think he is using her for his needs....and, she is probably a lost soul, at base line....
Alcoholism seems to feed selfishness.....
It is one thing to "love" someone...but, having the capacity to live up to the responsibilities of a relationship with a partner/children/friends requires what they don't have....