This is the first episode of the true love stories. Plot: Phineas asks Blue out on a date, but before Blue can answer, she is hit by Doofenshmirtz's Yes - inator, and she says yes. Which breaks Isabella's heart. Summary: What'cha doing line: Blue, what'cha doing saying yes to Phineas! Said by Isabella. To young line: Aren't you a little two young to be preparing a romantic dinner for two? Said by delivery guy.