Well, he hasn't forgot Solo's advice. Women always find out. Knowing General Organa, he absolutely believes it. She's terrifying on one level, and since she's the person he hopes to impress the most, he has to find it in himself to be brutally honest about himself around her. Does he want to impress Poe too? Sure. But that seems a lot less stressful, somehow.

"I'm always hungry," Finn admits.

(It's because he works out so much. Have you seen his muscles?)

"Hey, are you making fun of me? Come back here, you little brat." Finn starts chasing BB-8 down the hallway, laughing.