While the tweet mentions a long list of "proofs" for the petition and the annoying medical visit it doesn't really explain how these 12 years were spent. Was i

While the tweet mentions a long list of "proofs" for the petition and the annoying medical visit it doesn't really explain how these 12 years were spent. Was it 12 years on a wait list to finally get a spot? Was it 12 years because many petitions had to be submitted or amended? Is she even talking about citizenship or green card? Yes the process is tedious, I went through it myself, but I'd like to have details on the timeline.