My ex-wife is married and has children, and she cares about my family. Today, she came from far away to look after the children and buy presents for my parents. What does this mean?

His ex-wife is married and has children, and she still cares about your family affairs, which shows that he is doing it for his own children, because the children are still in your house. He wants to buy gifts for your parents just for the children, which is also secular.

So your ex-wife is still very kind to your family, but he still has no feelings for you, so don't be ridiculous. He has his own family and another child. He was distracted from coming to your house because he still cared about the child. This is a kind of mother's yearning and a kind of responsibility.

It is said that maternal love is great, and it is really not easy for your ex-wife to do this. So let it be, and don't think about it.