It is difficult to separate opinion from fact, and acceptance does not come from many sources. It sounds to me like he's got more of a trust problem than a sexuality problem. All I can suggest is that you give him no reason to distrust you. And if he still acts that way, I'd consider that a warning sign of possible possessiveness, which can be a real problem. It's probably also affordable.
Many elderly women are on a fixed budget, and that type of polyester clothing wears well.
We take kids from urban settings on nature trips. I have noticed that some of the kids come from families not at all like mine. They are very large, many times with four or more kids. This seems peculiar to me considering their economic standing. Large families were the norm just about everywhere until about 50 years ago.