I made a fruit smoothie for my friend the other day
What prompted you to do that for your friend?
I like to do something nice for my friends when I can.
It's very kind of you to make a smoothie for your friend. Doing nice things for people we care about makes them understand how much you care. Performing a kind act also makes us feel better as well.
I enjoyed some of that smoothie, as well
It was nice of you to share that moment with me, thanks for doing so.  It's great to know that other people are doing kind things.