LBengtsson, on 2022-November-18, 19:47, said:
With no agreements over interference over 2♣ partner was expecting (hopefully - lol) for you to bid 3♣ in response to his TOX. He now bids 3NT. What has he got? Balanced and strong, and you are turning up with much more than a Yarborough. Partner should be pleased:)
What concerns me more other than we should be in 3NT or 5♣ is whether we should be 3NT or 6♣? Give partner ♠AKxx ♥AKxx ♦AQ ♣Axx and he is playing the hand with about a 80% chance of slam.
That asks the question: exactly what hand would partner have for a TOX in this auction? Is TOXing after interference the best way to describe this hand? I am not sure myself.
If he were 5M332 or 5M422 surely he would have bid the 5M suit at the two level? Or is that wrong? And I am still puzzling what distribution partner has here. And what point count? More than 24 (as in the hand above) - quite possible.
This was my point when I said that I could only understand partner's bidding if he DID think that pass indicated some values, probably a suit without the honour quality necessary to bid directly.
I guess he could be 4432, with a stop in diamonds and xx in clubs, ready to play 3NT if he hears clubs or 4M if he hears a major.
In which case my trust would lead me to pass 3NT, which coincides with my mistrust bid too