Some teens feel embarrassed when their parents split up.
They might be embarrassed about the intensity of their feelings, like it's not "cool" to be upset. But the feelings are natural, and the best thing to do is to accept them and do what you can to feel better.
Teens might also be worried about what other people will think. But separation and divorce are very common these days. In Canada, between 25% and 33% of marriages end in divorce. What that means is that many people have been through it themselves, and most people probably know someone who has.
See Breaking the news for some tips on telling your friends.