“I’m going to Saturn,” Isaac said under his breath. I looked over towards his desk and jokingly said back, “You’re going there for summer break?” Isaac just stared downward scribbling something in his notebook, ignoring me, mumbling to himself. I sighed and moved back in my seat and stared at the clock. Only 10 minutes until we’re out of here and summer finally begins. Isaac and I weren’t exactly friends, at least not since we were kids, but we got along all right during the school year. We worked on some projects in class and sat together at lunch every so often. We’ve been talking a lot less in the past few months, though. Recently he’s been a lot more…