My husband said I’m the reason he has put on weight

And why I don’t care about what he eats or that he eats out all the time. He said he expects a home cooked meal everyday. And just to add I work with him take care of our kids and just had a baby 7 weeks ago and I’m the only one who cleans the house. I haven’t put on weight and I choose not to eat out when does. I don’t know what to do anymore ...but it really hurt me and struck a nerve .