He keeps says nothing is wrong. He agreed in the morning then freaking out by the afternoon. Sulking and refuses to talk. Now we are at the end of the road. He goes in tomorrow or we lose the bed and then years can go by before another chance. He needs the help, we can't do it anymore. Mom needs a hip replacement and he will not let us get her help.
Can we assume that dad has some level of cognitive decline and that mom is his caregiver, and that she now needs surgery?
Many people with cognitive decline have little to no insight into their deficits. You cannot expect your dad to empathize with mom's needs or with your predicament. When it comes right down to it, if dad is competent, he gets to make his own bad decisions.
If dad is going to be alone while mom is recovering, perhaps you need to step back and not help.
I'm hoping that dad will be a bit more reasonable in the morning and that you can tell a therapeutic fib about this being a temporary placement.
(((((Hugs)))))))