The context of the following conversation is Kai took Riley's kids to the park yesterday and was planning something fun to do for the next day.:
Riley says Kai took my kids to the park yesterday and they had such an amazing time.  They are planning on doing something fun like that today..
The friend responds Kai is so good with the kids.  She babysat for me one time..
Riley responds She's so kind and patient. All the kids love her..
The friend responds She's got the best heart.  It fits her to go into child development..
Riley responds That's right.  She's studying child psychology at college..
The friend responds She told me about that last time we met up..