T.N.
Well, you're right, it does create a dependency.
However, there are WAY worse dependencies: Thumb sucking, bottles, co-sleeping, blankies, etc.
I used small fans for all three of my kids. Really old noisy house with 100 yo hard wood floors.
In hindsight, Christy Lee's way is probably the best.
He's only 4 months old, you know?
:)