I would stop completely for a few weeks. Then go slowly.
Ds1 was a little terror, would not ptrain. I had told the nursery he was dry. First day at nursery school I told him that the nappy was off FOREVER and that he had to, had to, wee in the loo like the others. And blow me down, he did
Have probably given him urinary probs for the rest of his days, but it worked a treat.
So follow my advice or my example! Very different.