Negative: "I want to have the red one."
Positive: "Blue is a good color."
Negative: "She got the last one. No fair."
Positive: "I will get one tomorrow."
Negative: "It will take forever."
Positive: "I will be patient."
Negative: "She is not my friend".
Positive: "Maybe she doesn't want to hang out."
Not too bad for an 8 year old who had only recently been introduced to these concepts! I was lucky that this student doesn't have an aversion to homework, because having her think through these ideas at home lead to greater generalization and faster improvement of her feelings.