I've been wearing diapers pretty much nonstop since I was six years old. At that point, my younger sister was still wearing diapers to bed, and so for a brief period of time I was able to borrow and wear her diapers. These were cloth prefolds/pins/plastic pants, many of which had been mine only a few years earlier. Sis was done with diapers very shortly after that, but gloriously my parents decided to keep all of the diapers around. Some stayed in the house and were repurposed as cleaning rags, but most ended up in boxes in the garage, perhaps to await a third child that my parents never had (I haven't asked them about that theory). Of course I found that diaper stash almost immediately, and I ended up playing with those diapers right up until I left home to go to college. By that time, I'd also begun experimenting with Pampers and other disposable diapers too.
The trouble with the old cloth diapers was my inability to wash them, and that meant that wetting was pretty much out. And although I'd found the diaper pins, I'd never found the plastic pants, and it's unlikely they'd have fit me anyway. As a result, the very few wettings that I did during my first 6-7 years of DL-ness took place in the shower or the bathtub. I probably threw a couple of the diapers away after that, but I can also remember hand-washing them once and then dropping them in a laundry bin, trusting to the fact that they were sometimes used as rags to avoid rousing suspicion.
My longest break from diapers, as far as I can remember, was a four-month period right at the start of my freshman year of college. I just had so much going on and so little free time that the thought of diapers was literally driven from my mind.