I opened the door and struggled through with my bags. The girls were sitting across the room in a large chair with a computer on their laps. “Daddy!” they yelled and threw the computer aside to run and greet me. Each chose a leg. “Hey guys.” I patted them on the back. “Hey…Oof.” I fumbled with my bag and shoes and tried to get out of the entry way. “So, what were you guys doing?” I asked, trying to detach them from my legs. Clara stood back and grinned. Her eyes darted back and forth, “Actually, it’s funny you ask. Because we were doing…” she leaned towards me dramatically, “…engineering!” My eyes widened. “Oh wow. Engineering. That’s what I was just doing too!” I…