Chemistry [between people] is not the easiest thing to evaluate. Just like talent and health, these things can change.
![Chemistry [between people] is not the easiest thing to evaluate. Just like talent and health, these things can change.](http://cdn.quoteddaily.com/images/austin-ainge/chemistry-between-people-is-not-the-easiest-thing-to-evaluate-just-like-talent-and-health-these-things-can-change.jpg)