where's the place in platinum to find how happy pokemon are

[Togepi]

wheres the place in platinum to find out how happy my pokemons are?

[Zidarose]

There are two places:
On Route 213: down by the water, you can find Dr. Footsteps. He can tell you how Pokemon feel.

Hearthome City: Talk to the lady inside the Pokemon Fan Club. She will tell you how the Pokemon feel.