I gave my brother my car this weekend hoping he would take care of it. He has been doing good so far so I felt I could do this for him. 
So I was out of town this weekend and lent my brother my car. I was hesitant at first, but I felt he would do good with it and take care of it. 
user
Did he take care of it for you?
assistant
He did. I feel I can let him use it more often after this. 
user
That is great that he was able to show you he is responsible. I bet you're proud. 
assistant
Yes I am. I can know rest assure that he will do good. 
user