DEAR HARRIETTE: I go to the beach every summer, and I am looking forward to it again this year. I have a bit of trepidation, too. I have gained a lot of weight. As much as I like to sit out on the beach and tan and walk around and collect shells, I am feeling more and more self-conscious about my body. I know that nobody is checking for me like that, but I feel uncomfortable in my skin.
I have told…