DEAR HARRIETTE: I went out to dinner with a couple my husband and I like a lot. We got dressed up, which was a lot of fun. But my friend had on such uncomfortably high heels that she could hardly walk. It was a nice evening, and we wanted to stroll a little bit, but honestly, she could hardly go 10 steps without complaining. Don't get me wrong -- I love fashion, and it's so much fun to dress up, e…