He's on his 9th life

The cat. They say cats have 9 lives? Gus is on his last one. And I'm freaking out because I'm the one who is finally considering sending him to life #10, which is not here on earth. Kitty heaven can't be all that bad, can it?

Some of you know of about my cat. And some of you only know him as my bedrest companion. Before kids, he suffered from some separation anxiety, for many years. We were never home during the day and as a result, he would "act out" to let us know he was ticked off about it. He was peeing in the house for a while before we noticed, then we caught on and it got suddenly worse. We ended up replacing the floors (carpets to hardwood), which temporarily took care of the problem. But he started again, leaving us no choice but to put him on Prozac. It worked like a charm and he started going back to his litter box. For any of you cat lovers, rest assured, I had a full blood screen run on him to be sure he didn't have some physical problem - it turned out to be 100% behavioral. The kicker was, he would go #2 in the box, but always did #1 somewhere else - oh, you know, like on my clean folded laundry, or on the rug right at the bottom of the stairs.

For the last 2 years, things were smooth sailing. I even stopped his medication and since someone is home all day, every day, the anxiety had not returned to the point where it pushed him to act out any longer.

THEN.....when we went away to NOLA in May, he started peeing in the house again. Obviously a few days alone pushed him over the edge again. It's been off and on since that time and it's finally so bad that I had some blood work done again last week to be sure it wasn't a physical problem. It's not. He's just a belligerent, psycho and has severe behavioral problems. He's back on Prozac. Only this time, he won't even take the meds - he turns his nose up to his food, in which the medicine is mixed in. It's even tuna flavored liquid! He's on to me and tastes it in his grub.

I am so incredibly frustrated - yet torn because I cannot imagine getting rid of him over this. Nobody is going to take a cat that knowingly does not use a litter box. Therefore, if I get rid of him, he'll be going to kitty heaven. Can I even take him to a vet to be euthanized over this? I'll never get over the guilt I don't think...I have no idea what to do.

Every day, when I'm searching around to see if he went somewhere in the house, when I find it, I'm INFURIATED. It smells, it's dirty and I have toddlers running/crawling/slithering all over the place. Not to mention, he's ruining the carpet (again) and it's going to cost a fortune to replace it. I can't have this. I'm on the fence and I can't get down....anyone want an 11 year old non-litter trained cat that needs a LOT of attention? Ugh.