thank goodness for no fever & no discomfort, but no doubt about it sweetie, it's def pink eye. the thing that ALWAYS signifies it for me is when you wipe the goop and it keeps coming back! he'll need oral meds or eye drops to clear it up, or at least my son always did. i caught pink eye from him the first time, too, b/c i didn't realize that's what it was and i had to get drops. so just be careful for your own eyes, too.
thankfully, the only thing it really is, is annoying. the drops are a nightmare to get in a baby, but hopefully they can give you something orally so you don't have to mess w/those darn things! either way, sorry for the pink eye, but it'll clear up soon! good luck w/your little boy. :)