Why are you learning another language?

I'm trying to stay motivated.

At this point it just feels like I don't need to learn anything else.

I'm not planning to immigrate, even if I do I have no idea where I'm gonna go so it's not like I can learn the language.

I am planning to visit other countries some day but the trip probably will be for less than a week and I don't feel like learning a language for a short trip is worth it.

The only languages I need for my job are my own language and English, and I speak both.

Almost everyone in my country speaks the same language so I'm not gonna need another one.

I like learning new languages. I really do. But everyone keeps telling me, that I'm wasting my time and I should give up. I'm starting to think they might be right.

Why are you learning another language? Why should I learn another language?