Hi there - on the B/D meal invite - IMO - you should ramp it up just a little - how would it play if you said "W, I'd really like it if you'd come along with D11 and me for my birthday meal"
Rather than just toss the invite out as a take it or leave it option...
Best - GFI
Me: 40ish W: 40ish Together: 20 ish years Married: 10ish Years