Healed almost never announces itself. There is no moment, no bell. What happens instead is that on some ordinary Thursday you realise you haven't thought about your shoulder in three days.
Absence is a difficult thing to notice, which is why recovery so often gets no credit at all. The pain had a start date. Its ending is usually discovered weeks late and by accident.
If something that used to occupy you has gone quiet, the quiet is the event. It simply doesn't come with a photograph.