Finn was confused, curious, and in love-but not with Flame Princess... but with Marceline. (Dialouge continues)
Jake: *Spitting out coffee still, then stops* OH MY GLOB! Wait, why would you even do that?
Finn: I like someone else... someone that has been with me forever, but I didn't know she liked me.
Jake: Well then, who is it?
Finn: Uhh... I think it would be better if you didn't know.
Jake: Why?
Finn: You wouldn't like her.
Jake: Did Marceline tell you who liked yo- OOOOOH I KNOW WHO! Marcy likes you!
Finn: You're ok with that?
Jake: Who you like I like... as a friend.
Finn: Thanks bro.
-MEANWHILE AT ANOTHER LOCATION THAT YOU ARE PROBABLY FAMILIAR WITH-
Marceline was in her little cave house and she was thinking about Finn too much.
"I think I'll go to Finn's house tommorrow." She said to herself.
-THE VERY NEXT DAY BAPABABAPADA-
*Knocking on Finn's door*
Finn: *Distant yelling* Jake get the door!
Jake: *Opens door* Oh hey Marceline.
Marcy: Hey Jake, where's Finn? *Looks past Jake, searching the room for Finn*
Jake: Oh he's-
Finn: Hey Marceline!
Marcy: Hey Finn, what'cha doin'?
Finn: Oh, nothing.
Jake: -_- Uhh, Marceline why did you come here?
Marcy: Oh yeah uhh wanna hang out?
Finn & Jake: WHAT!?
Marcy: Is it too soon?
Finn: Too soon for what?
Marcy: Nothing, anyways uh I guess I'll see you later. *Flies away*
Jake: *Closes Door* Yeah, she likes you...