How can the ability to speak a language save your life

When travelling to different countries and such, it is helpful to know different languages in order to understand the people around you. You could communicate with others to make it easier on yourself and that person in order to properly have a conversation and hold it, and, so that person doesn't have to strain their mind to understand what you're trying to say.

i feel as if they would both catch on before to long because they would see them to frequent