After my divorce, I had a friend in the dance community who was wary of trying to learn a second dance. With the first dance, you have also learned the basic skills for learning a dance, so the third dance will be easy.
Having learned a second language (USA experience without considering any pre-puberty acquisition), the third and fourth and fifth languages are so much easier. Part of learning that second language involves learning how to learn another language, which itself can be considered a skill.
Thanks for this info, I am natively bilingual (i.e. both are my mother tongue) would that mean I wouldn't have acquired the skill of "learning another language" as fully as somebody who learns as an adult (just looking for your expertise here).
I'm planning to start in the summer, when a few other projects will be finished (just have to pick a language have it narrowed to three).