In general it sounds like you're being patient, which is the right thing to do. I'd usually suggest
simplySimply sleep continuing what you're doing. But, I have the sense, even from your brief description, that he's harboring some particular
fearFears and phobias/worry that is worth investigating. Ask him: "The other day, I noticed you were holding onto your
penisCancer - penis
Curvature of the penis
Penis care (uncircumcised)
Penis pain and not wanting to use the potty. Is something the matter? What do you suppose would happen?" See what he thinks.