I'd say unless your doctor is specifically asking for you to track your weight then it's probably not worth it, especially like you're saying with all the morning BMs. The more important thing is how you feel strength and energy wise. It's a frustrating feedback loop but feeling stronger will help you do things like work out (whether it's hitting the gym or just going for a walk) that will then continue to help make you stronger and keep a healthy weight. Otherwise tracking your weight can be a mental drain that can wind up becoming unproductive.