No, I don't think you need to OVERDO the praise ... that can be construed as not being sincere.
You seem to have received very good results from showing him the list of positives. I would stick with that ... maybe get a little creative with how to present them to change it up from time to time so it doesn't get stale ... like putting them in a greeting card rather than read them from your journal ... Maybe a PostIt note on the mirror (or lipstick?) ... Spell them out with Alphabet cereal in the morning ... anyway you get the gist.
