Asked in Pokemon Diamond Pearl and Platinum
How do you get max happiness really quickly on Pokemon diamond?
i really don't remember ill tel u if i do though
well, i guess you could give a soothe bell to your Pokemon and fight with that Pokemon, talk to the girl at the house some steps down then right from the gym in veilstone so she can give it a massage, give it poffins etc. this is basically what you could do
hope i helped!