Talk to the girl in Eterna City Pokemon Center and she will give you the Friendship checker.
To check your pokemon happiness, just click and hold one of your pokemon in the Friendship checker. The number of hearts shows how happy your pokemon is.
Pearl and Platinum
it evolves by happiness in every game its in.
Give a Soothe Bell it raises happiness.
First, you have to find a bunery, which is found in eterna forest. After that, you have to evolve it by happiness.
u have to raise it's happiness.
Pearl and Platinum
evolve togepi with happiness
happiness+nightime
It means thAt. That Pokemon is at maximum happiness and if youcan answer this , where can you find a happiny in any of the three Pokemon games ( platinum pearl or diamond )
If you have the happiness App. for your pokewatch thing... you can see how much your Pokemon loves you (how happy they are).
It evolves via happiness
You have to evolve BUNEARY with full happiness.
level up your GOLBAT with high happiness.
It's on your Poketch.
You have to train an Eevee by happiness at night
it evolves by happiness in every game its in.
You evolve it by raising it to maximum happiness.