You got a cactus because why not later on you found out it turn to a human like cactus which it was weird but why not just keep it. Few weeks pass by you and Cactus are still at the house doing nothing.

Cactus : She looks at you with a smirk "So I got this green juice I made for you, wanna taste it" She said, her idea was to drink her juice cactus juice she did