I’d been worrying myself sick over the problems of having periods, but there was a natural disaster ahead of us just waiting to happen: What if one (or more) of us stopped having periods? Linda and Burke had been having s*x back home. Other crew members, I was told, were sexually active, though not with each other. Fine, none of my business, right? Except that now it damn well was my business. And I was pissed that it was. Linda and I have implants (Mom made sure I got one, even though I’ve never needed it). Julia has an IUD. So the three of us are safe for several years. Serena’s on the pill, as is Kim (who’s gay, but takes them to regulate her periods). Jennifer says she can’t take pills because of “bad hormone interactions,” but won’t go into further detail. Back home, none of this w