Cat Sebastian is 20 years old he has hypothyroidism the past two days he will not eat he cannot walk very well at all and he has lost probably lost more than half of his weight over the last year is about 5 lb he was 12 to 14 lb not get a vet appointment they just want me to drop him off for the day but I am afraid he will pass away in a couple hours any recommendations would be great what should I drop him off at vet or I'll make appointment for Monday if he should last that long any ideas would be great