they been around for a bit, just extremely rare cause not a lot of people have that high of a tolerance. i've only seen a few in my life actually.
personally, for recreational use, id rather have a 2mg bar over the 3mg XR pills.
but dude
your doing a good thing watchin out for your buddy, im sure he'll appreciate it someday
i hope he gets through the rough times and can start to enjoy his life...roll up a blunt and throw on some bob marley or something yall dig.
you cant go wrong w/ that