Cas: Mhhh~
He kisses Ren back
Cas pulls away, looking at Ren
Cas: But...why...? I-I'm...I'm not...
Cas: But...but I'm not...I-I'm not a good person...
Cas: Well-yeah, I know...b-but...
Cas: Well-but he's...he's better than me. In a lot of ways...I-I hate admitting it but...