Purple cat

[MonkeyLord83]

Spiritmon: I will not trade her away. Is here a rule players show off only pokemons they like to trade? If so, sorry for publishing this topic.

MonkeyLord83: I am thinking... One of quick friendship-rising method are berries. Second is Friend ball. The third is ... I really don't know. (Don't spoiler yet please, I will continue thinking.)
With seeking interesting offers in GTS I can hardly choose a ball.

At least, I mean I know what I am doing. What evolve her into was part of a plan. Eevee is pokemon with the widest branch evolutions ever. A lot of possibilities, but yes, decision which one to choose can be wrong easily.

In addition to what you've listed: 

Spoiler

Bealbeach massages, vitamins, walk around a lot, have it in your team when battling gyms/trainer. And Soothe Bell boost the friendship gained from all of the action above!