The best thing about summer is the absolute abundance of fresh, wonderful foods. It's just amazing. The worst part about summer, at least here in the South that's further south than the Deep South, is that there's just so damned much heat. So I tend to use the one to deal with the other.
I've switched to my Summer Diet, which in days before my metabolism slowed, would help me drop 15 lbs every summer; we'll see if it works this year. See, teh heat makes me not want to eat. It doesn't just kill my appetite, it kills my desire even to have an appetite, adn if I'm not careful, I tend to forget to eat at all, which isn't healthy. So to get myself through the day, I eat a raw veggie diet, then at night, a few hours after dark (ie: somewhere around nine-thirty), I'll eat something full of protein and the day's starches. Salads, yes, of course, but when I say 'salad', what I really mean is this:
Not the pile of anemic lettuce that people try to tell me is a salad these days. No way. I much prefer a pile of veggies, and if they're really good veggies, I don't even need the dressing. If there's lettuce at all, It'll probably be a single wedge of something interesting, eaten with my fingers the same way.
And for breakfast, I switch to Sami Snadard Breakfast #1: fresh fruit and yogurt. Mmmm, yogurt. And I've missed peaches, plums and necatarines to an obscene degree since I started this Year Of Depriving Myself Of Out-Of-Season Foods.
Barring that, there's always Alternative #1: fruit and cream. I use Nestle Table Cream (comes in a little half-size can and costs less than half a dollar in the same section as the other canned milk-products) mixed with a quarter cup of powdered sugar, which is just enough that it testes like something other than thickened milk. And it's processed enough that I don't get all lactose-intollerant-y over it, which is awesome, and allows me to continue to get a little protein and calcium during the day.
And the rest of my diet consists of shaved ice and beach sand and more water than would take to water our lawn.