Have you read this book:
http://www.amazon.com/gp/product/06...IKX0DER&pf_rd_r=1TM1BQE058F0XC1X62FK

Raising a Thinking Child: Help Your Young Child to Resolve Everyday Conflicts and Get Along with Others by Myrna Shure

I'm not sure which level of this info would be 'right' for your son, but Shure give great explaination about how to talk about feelings with kids. I think age 2- gifted is a perfect time to start, so don't be put off if the book says: 'age 5-8' or something like that. Just skim around and see which book you think would be helpful to your family.

I think it's a great system, but it usually is too basic for most gifted kids by the time they get to be the ages recommended.

Love and More Love,
Grinity

Coaching available, at SchoolSuccessSolutions.com