Learned foreign labguages

I'm a native French, I graduated university in English and Spanish. I also took night classes to learn Japanese for 3 years (and went to Japan for a 2 weeks holiday <3), now I'm still learning on my own.
When I heard about the Duolingo app I went over-enthusiastic and started to learn German, Gaelic and Esperanto at the same time! ^^' (only 3 languages because I restrained myself...) I stopped when I realised I was completely blending German and Gaelic together... I need to go back to this app now... because modern Greek must be out *-* I also need to chose ONE language and focus on it until I can hold a decent conversation... it's gonna be hard 'cause I absolutely LOVE learning new languages :)