I'm proud of my son and I wrote an email to my friends about it.
Why are your proud of him?
I have a feeling of being a successful parent, I watched him growing up so well
I'm glad that your son is making you proud. You definitely should share your feelings with your friends.
It's going to be a party today, my son did well.
It's so nice that you encouraging his good behavior. He will remember this for a long time!