Why people are never content?

Why people are never content with what they have? Why cant they just accept with what they have and appreciate it? I know someone and she have this wonderful person who loves her and she is very inlove with him as well but the problem is... he has some kids with his previous wife. Is that a problem? She never thought she would be dating someone with kids. I asked her why it matters for her so much. For as long as they are both inlove with each other. She said, Am I selfish?

What do you think? Is that being selfish? She doesnt think she is selfish...She just wants to have a little more time with him alone. Its funny when she said, Oh I dont like to hear him telling me his son is doing great at school nor his daughter loves to watch this or that. She said she loves the kids but dont like the idea that they are his boyfriend's children. I dont know what she's gonna do. Do you think she needs to leave him? She is really inlove with her boyfriend and trying to accept what he has but it hurts her. Their relationship is perfect except for that.

Do you think everything will be alright?

As for now, she is having a friend. They only exchange emails. They enjoy talking and she is happy whenever she reads his email. The man she is chatting with is very funny and no kids at all.

Isnt it right that she is chatting with somebody else? Should I tell her she should be thankful for having her boyfriend? These are the kind of questions I need to be answered so I can give her a good advice.