1. Carry it around. A lot. What people do if they can't afford anything else.
2. Massages or Haircuts. If you have Diamond, Pearl or Platinum, you can get a daily massage from a lady in Veilstone that ups happiness
In HGSS, you can get the haircut brothers to raise your Pokémon's happiness with a price.
3. Vitamins: They're expensive, but they work.
You also gain happiness by leveling up and battling.
Oh, and carry a Soothe Bell! It doubles the happiness your Pokémon gets!
Riolu will evolve when it levels up while it's happiness is maxed and it's during the day. To increase it's happiness keep the Pokemon healed up and take it to the NPC that gives daily massages.
Buneary evolves when it levels up with maximum happiness.
It must have max friendship in order to evolve.
Happiness is gained by taking care of your pokemon giving it items, training it and many more things. Once it's happiness reaches the max happiness have it level up to evolve the pokemon.
To evolve a Flying Pichu, you must get it to full happiness, then you can evolve it into a Flying Pikachu.
Yes.
Feed it medicine (Iron, Calcium, etc..), make it win battles, give it a massage in Vielstone city.
it will evolve into crobat when its happiness is all the way up
when you level it up at full happiness
level up with max happiness.
Riolu evolves not from a level, but from happiness. It must evolve in the daytime. So when its happiness is maxed out and its daytime, when it grows up a level, it should evolve.
it doesnt evolve by leveling up its by filling up its happiness.
it doesnt evolve by leveling up its by happiness at night
You evolve Togepi by Level up with Happiness at 220 or higher. You can't te;ll how many happiness your pokemon has though.
you must do battles and there happiness goes and at some point they evolve.(P.Spokemon that evolve with happiness all evolve at a certain amount or number of happiness.)
You make riolu have max happiness and then level it up
Yes keep it! Level it up some and it will evolve into Togetic and then give it a shiny stone and you have a togikiss very strong good job catching it!