I hope this is at least marginally on-topic, but I ask here because I knew no better place to ask.
I know a father of two teenagers and there are no major issues in the family except that he seems to do the bare necessities for his own (kids and wife), but puts excessive effort into supporting his friends' families.
For example, he used his contacts to get his friends' kids into the country's top private school, whereas he neglected his own kids future despite their potential. When taking his family out, they go to simple, humble places, but when taking out others (without his wife and kids) he goes to top notch places. Even other small things like buying birthday gifts, or school material, if he spends $1 on his own kids, he'll spend $10 on his friends'.
From the outside he may seem like a good friend, but after speaking with the wife, it seems like a recurring issue which she doesn't feel too good about and is a common reason for arguments - he spends more time with the friends' families, takes them out to trips and dinners very frequently (almost never with his own kids) and generally there is always a huge gap between what he offers others VS his own family.
I am a close relative and since the wife always talks to me about this, I wanted to ask what kind of behavior or condition this is, what kind of help they could find to solve the issue.