Talk:Mouth Hole/@comment-4025300-20150224195530/@comment--20150225032708

Yes, Starfire's Tamaranean species can learn languages through lip contact. Robin's whistling power in this episode wouldn't be considered a language, as it's an ability. It was a good theory to think that though, I had to stop for a second and think about it.

It was highly implied they kissed at the end, a very small chance, if non-existent if they stopped the kiss.