Recently I have been discussing this, is having kids a selfish act?

Don't get me wrong I like kids - And I want one. But I can't shake the feeling that this is a selfish act on my part to even want one. Yes I want a kid - Yes I want he or she to grow up and have a happy life. Yes I want the best for them. But knowing how difficult life can be, do I want my kid to go through all the trials and tribulations? -No! They will go through - being picked on, being in a difficult relationship, feeling out of step with the rest of the world or just plain daily frustrations. Even though you want to, you can't protect them from life. But knowing about all these hardships that YOU have gone through in your life -Are you still willing to bring a child into this world?