I could drop lower if I stopped training. I started training at 16 and trained 4 years natural, i didn’t really gain much the 4th year. I competed at 193 when I juiced. Never experienced big weight loss when I came off. I would guess because of the muscle I built in my teens natural so I had the base before juicing. Believe what you want.
The common wisdom is to train natural for a few years to get the best "base" for future bodyuilding success, and start juice when fully grown. But theoretically, and this is probably unethical in most peoples minds, I think juicing a young teen could set him up with a higher muscular set-point later in life. In Eastern block countries the docs thought future champions should be pushed very hard at the onset of puberty, girls a bit earlier than the boys. And this was because physiology, as well as psychology, is highly, or at least more plastic than it is later on. The kids are riding the natural hormone boost of puberty and developing strength and skills they can't later in life. It was done in the past and is done now as well in some countries (doping kids). I'm not going into future repercussions of it, it's obviously an issue, but the concept is interesting to me.
I have even read studies done in the west with kids and height where they have increased predicted height with aromatase inhibitors and steroids such as oxandrolone (it's estrogen that closes the growth plates). And I remember reading an article about american doctors complaining about parents asking them for growth hormones for their kids to increase the chances of them getting taller and having an athletic career.
Just some off-topic rambling on my part

For Matt to die was too bad, seemed like a nice guy by many accounts and was supposedly very meticulous about his health, constant blood work and heart meds and health supps and Rx TRT mostly etc, dosing very low in the past few years. Although I never saw him say he had actual heart failure back in 2015.