Keeping your guests (and yourself) hydrated and highly specific restaurant recommendations

I’m almost 28 and I’ve been going to a lot of birthday parties this summer. The playlists are still great, but I’ve noticed something new at these gatherings—an abundance of hydration options. At parties past (Julia and I threw a lot of parties when we lived together), the star of the show would be a big batch cocktail, served in a pitcher or drink disp…