Ask-a-Dave's-Gardener: Help with leaning cactus, 1 by csacwp

csacwp wrote:
This hybrid cactus is four years old (it only had one little stumpy growth when I first got it). Every day it leans dramatically towards the sun, and I have to keep turning the pot a few times a day to try and keep it upright. I'm worried its going to snap in half as it bends at more than a 90 degree angle towards the floor. Any advice? Due to the layout of my apartment, I can't expose it to equal amounts of sunlight all around. Note that while the cactus looks brown and dead in the photo, in person it is green and healthy, and it's still growing upwards at an alarming rate.