Yes, because that’s your friend and you should always try your best to be truthful and your friend did ask for your opinion. You should tell your friend how you feel, but let her know that you don’t know their bf/gf that well so your observations could be totally wrong.
Strength
purity
flexibility
I've got some great ones.
Classics:
- Pride and Prejudice - Jane Austen
- A catcher in the Rye - J.D Salinger
- The Great Gatsby - F. Scott Fitzgerald
- To Kill a Mockingbird - Harper Lee
Good books
- Jodi Picoult books (if you are a girl XD)
- Divergent trilogy - Veronica Roth
- John Green books
- The Hunger Games trilogy - Suzanne Collins
- The Maze Runner Trilogy - James Dashner
.. Just to name a few.