Name: Charleen Alford, Florida (Zone 8a) Walk in Peace / I'm Timber's Mom.
That has got to be Rootbound. It has bloomed for me a couple times. I keep it hanging there in the window and water it once in awhile. ThaT is why I think it is tough...Poor thing is almost abused. I have a Haworthia that is also a tough baby. gotta be tough if I have them I guess.