* Penny's and Ian's supportiveness.
* Whenever Alex tells Mark about the trouble he is in. It's nice when your love is also your friend.
* Alex tells Mark teaching is his life. Mark tells him he seems to be [[CoolTeacher really good at it]], then insecurely adds it's not like it means much coming from a mere student.
--> '''Alex:'''''Mark, you are mistaken.''
--> '''Alex:'''''[[TearfulSmile It means a lot coming from you.]]''