The context of the following conversation is Cameron was adopted when they were young. They vowed to help children in the future by being a Dr and providing health care to them.:
Cameron says I was aked today why I became a doctor..
The friend responds And why is it?..
Cameron responds It wasn't money, unlike many others, for me it was my adoption..
The friend responds What about your adoption?.
Cameron responds Well since I was adopted, I feel like I have  an obligation to help out sick children..
The friend responds You have such a huge heart and I am proud of you for that..