Sword: Any who become captivated by the beauty of the snowfall that Glaceon creates will be frozen before they know it.
As we can see from it's pokedex entry, it isn't caring or loving towards humans and doesn't hesitate to harm people. It, thus, takes time to understand and love it's trainer.
Soothe bell locations
ORAS : slateport city, Pokémon club
D/P : Pokémon mansion
Pt : eterna forest
HG/SS : national park
B, B2/ W,W2: nimbasa city
X/Y : shalour city
S/M or US/UM : route 3
Hope this helps.
Source
Source 2