Nah that's always been my take on it which is why I've never acted on it.
Also without the bond formed through raising a child there's no guarantee that our relationship/interaction would be positive.
I've pretty much decided to leave it in fates hands and not pull that thread.
He appears to be doing well and although I didn't raise him my primary concern as a father has to be his well being so therefore the best t thing I can do as a father is stay away.
That's Tough fam...someone is probably going to tell him one day or let it slip and then when he comes to you, you can let him know the deal...He's still in college though so if you told him, that could mess with him..props to you