Pokémon X and Pokémon Y

also how can I raise eevee's affection to max so as to get sylveon?

This is what I did:
Pet/rub/stroke/fondle your pokemon until it stops displaying hearts and instead displays a music note. The procede to feed it 5 of the fanciest pokepuffs you have. To earn fancier pokepuffs, get good scores in the minigames. Once you have fed your pokemon 5 pokepuffs, play "Head it" with them, and do the unlimited mode. Try to get at least a 30-50 combo per try. If you get a long enough combo, you will get a fancy sprinkle special pokepuff. Play the game 1-2 times, then head back and feed and pet your pokemon. Repeat the cycle of pet>feed>play until you max the affection. You will know when affection has leveled up because ~10 hearts will flow out twice. You should know when you have maxed (lv5) affection because `10 hearts will come out 3-4 times. You can check the affection level by choosing the switch option before entering amie.