That just applies to the one thing, you can find things that fit well together where some portion of you other skills still apply, but that will depend to the i

That just applies to the one thing, you can find things that fit well together where some portion of you other skills still apply, but that will depend to the individual. You also shouldn't only learn things to be an expert in them, a very small initial input makes a lot more of a difference than honing those skills.