Please don't beat yourself up KAK, we can only do our best. And we do the best we can with the best intentions because we love our cats the best! I know how hard it is to have to feed one cat a separate diet. I have had to compromise by letting Cleo have half of her special one side of the dish and half of what she used to eat and the other cat Colette still eats, in the other side. Sometimes I have to mix it all up together. Sometimes she will only eat the other cat's and leave her dish untouched and sometimes with the half and half dish she will only eat her special diet It seems no matter what I do she will change her preference and outwit me whenever I think I've got it sussed. - (sorry that's when I've understood what she needs - for our English -2nd language friends.) You haven't been a bad meowmie at all, just that sometimes our furkids are very bad to us!!!

Have you tried feeding Storm separately in his own little room- laundry bathroom wherever? or by holding the dish to coax him to eat it? I have to do this now hard when you are working full time I know.

Anyway good luck with the discussion with the vets and let us know what transpires.