I think it's because Dobby comes to Harry's aid when he needs it. I loved how he called Ron Harry's " Wheezy", the one thing he would "sorely miss". He would do anything for Harry, and now Ron. "Dobby cannot let Harry Potter lose his Wheezy!
Harry Potter Alternate Storyline - Tri-Wizard Champion So sad yet so beautiful. I wish JK would just give Slytherins more insight views and stories (not that I’m complaining her work, but I really wanna read some Slytherin stories)