Oh, that is so sweet! My dear husband is the same way -- he doesn't usually come in the fabric store with me, but he always says, take as much time as you want, I'll just read my book.
Most times when he is away on business, he'll find a quilt store and bring me back a little something. His latest venture was into Amish country, but it was Sunday. He said, I tried going to the quilt stores but found, they aren't open on Sunday.
I love him!