(happy) All right! Let's go do something super-duper fun! We deserve it after all we've been through!

(encouraging) The old you isn't going anywhere with that gloomy look on your face. Once you overcome that gloominess... Let me know. 

(angry, thinking quick and showing no fear, yet is terrified) The school's on the right, you gotta walk through the alley since that's quicker. You'll see the building right in front of you!