This is quite common, probably not as common as little boys of your son's age touching their penis out of curiosity, but still not at all unusual.The reason for little boys of 2 years not wantintg to touch their penis is not really known. There is obviously nothing wrong with his penis judging by what you have written here.Your son appears to be doing well and is even getting potty training right at his age which is good going.You do not have to be concerned.
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