Percy Jackson x reader

you and your boyfriend the Percy Jackson where having a walk along side of the beach after your date. Talking, joking, playing with light, manipulating water you know the regular stuff. it was a good afternoon until out of nothing Octavian appeared, glowing a dark mysterious shade of purple. Octavian standing there with to roman traitors ready to take a fight. Percy told you to run to camp and get the others. off course you didn't want to but you knew Percy could handle Octavian, at least if you would hurry. running to camp and leaving Percy to get the others you heard the fight start.
when you and percy whoke up the next day, you didnt remember annything but Percy seemd different. around his friends and around the other campers he acted normal but around you things where weird scary sometimes. what had happend on the beach... why was it al so hard to remember???