I have a question, are you trying to change his habits to make him healthier or to just add variety to your (and your daughter's) diet? If it's the first then you are just going to have to lay down the law. If it's the second then you do have your work cut out for you.
Mostly the second...so i have my work cut out for me. The first would be a bonus.
On a different note. I would like to remind everyone that TEXT is a LOUSY medium for emotional content. Words typed in humor can come off as sarcasm. Phrases intended to lend advice can be read as an issuance of orders. Sit back, take a deep breath, think about what the poster really meant and ONLY THEN reply.
Even if it is unmistakably rude or snarky, do not respond in kind. Lets take the high road people.
Well said. My intent was humour. Fortunately, I found helpful comments in the end.