Do items like resist wings boost my Pokemon's happiness?

Question

Do items like resist wings, clever wings and health wings raise my Pokemon's happiness in Black 2?

Answer 1

Yes. From Gen II onward, using vitamins/wings increases your Pokemon's happiness.
Source

Answer 2

no. according to serebii.net the only things that raise happiness are:
Giving it Vitamins
-Giving it a massage in Pallet Town, Goldenrod City, Veilstone City, Castelia City or Ribbon Syndicate
-Giving it Certain Berries
-Gaining a Level
-Join Avenue Items