The context of the following conversation is Once Lee became upset and started to cry, Riley stopped teasing Lee.:
Riley says Lee started crying over a little teasing yesterday. She's so sensitive..
The friend responds Why were you teasing her?.
Riley responds She was stumbling over her words. It was just a joke and all in good fun..
The friend responds It doesn't sound like she thought so. You need to be more considerate of her feelings..
Riley responds I don't get why it bothered her, but I'll try to hold my tongue next time..
The friend responds That's a good idea. She's not going to remain friends with you if you are always picking on her..