>ever taking the risk of trade evolution
Are you that gullible, or do you just hate yourself?
You can never be sure they're going to trade your pokémon back. They don't even want it, they specifically want to hurt you, because they can. Because they got up this morning deciding to drink your tears.
There's nothing you can do to force them to cooperate, and even if they say they're your friends, it's possible they're just pretending.
