1. Alex is very ambitious because she aspires to become the best neurosurgeon in the country.
2. He's very reliable. He is the kind of person you can ask to feed your cat while you're away on vacation.
3. She's very caring. Do you remember when she stayed up all night when I had a terrible fever just to make sure I'll be allright?
4. Irene is very fit because she eats healthy and trains at least 4 times a week.
5. I think he's clever because yeasterday I saw him reading an article about astrophysics.
6. When you're creative you rather often get all your amazing ideas at night and end up working on them while normal people are sleeping.