255
"What great friends you are! It's so nice how you trust each other! It makes me kinda jealous!"
200 - 254
"You two sure get along great! It looks like you are having fun together! You seem bright and cheerful!"
150 - 199
"You seem really close! You look so, so happy! It's enough to make me happy too!"
100 - 149
"You're starting to get to be friends. Just maybe, walking along the same path has made you understand one another."
50 - 99
"You still have room for improvement. How nice! I mean, you can become even better friends!"
1 - 49
"You aren't getting along, are you? It's glaring at you with a look that's kinda scary."
0
"You aren't getting along, are you? It doesn't look like it's having fun even when you're together."
Source
Hope I helped!