Percy could tell something was off. When he talked, she would stare off into the distance and give some half hearted response. Worst of all, when he sneaked peaks of her blueprints, she only said "Back Off" instead of her usual "I WILL MURDER YOU JACKSON SEEYA IN THE UNDERWORLD" This continued on for a few days, until he couldn't take it anymore. "Annabeth, what's up with you? You haven't been talking to me like you normally do. Is it me? And don't give me none of that bull about how 'It's me, not you'. If your going to break it off then just-" Annabeth interrupted him with "I do Seaweed brain I do." She then continued to pull out a little box with an engagement ring that Percy had been hiding under his mattress in the Argo II. "Your not very good with secrets, Seaweed Brain."