Chemo Sucks This may be painfully obvious, but chemo sucks. I’ve been on chemo for about eight months now, and with that come a lot of lessons and experiences. It was a walk in the park early on. There was some fatigue, mild weight loss, light stomach issues, and blurred vision. I was able to travel, play games with my kids, stay awake and have energy for light work and projects, and even slept fairly decent.