Sometimes you'll miss what you least expect to. Severus Snape and Harry Potter learn this lesson as Harry graduates.
When Harry loses two of the people most dear to him, he turns to the one person he loves. Sometimes we have to lose some things dear to us to see other things and even to find love - HP/SS
Harry and Snape are both affected by a potions accident that transforms them into three year olds. Final Chapter up rated PG-13, just to be on the safe side.
Neville recieves a letter about his parents...
Pre-slash - Snape/Lupin. Lupin forgets to take his potion and Snape muses on his feelings towards the werewolf. (Takes place during POA)
Severus Snape's POV of Gilderoy Lockhart's Valentine Day surprise (Takes place during COS of course).
Harry's Diary - The events correspond with "Haunting Eyes" and "Bittersweet Memory" SLASH - Harry/Snape
After the defeat of Lord Voldemort in Harry's 7th year, Harry and Snape have a talk... Pre-slash - Harry/Snape