In English , "tap into" would me the young people are taking a part of (using) or exploiting Another example would be I would be ; There is a supply of skilled workers they can tap into.

English is a hard language because we use idioms ( a group of words that together do no usually have the same meaning when each word is alone For example , if someone says that something that costs and arm and a leg they just mean that it costs a lot of money. A piece of cake usually means that something ( a job or a task) was very easy. Just try and be yourself! If you can, read American authors. You will pick up some language there.

The parenthesis aren't not needed. You might want to write: I was bleeding! At first, I didn't even realize it. It's more like a shocking (surprised) statement