Great thread. Raimonds, if you have time to type it again, we can look to see if you still have any errors. Keep practicing!
Sorry for my English grammar and all kind of mistakes.
No need to apologize! I'm glad you have errors, so we can help. :-) Thanks for joining our community... do you have any questions about those corrections?
Do this:
He is a 16 years old.
or
He is sixteen years old and lives in...
or
He is a sixteen year-old and lives in...
Very good sentence! -----> That's why he's a such a mature, great friend and awesome buddy.