Thatnis a tough decision,as number3,might fix everything,once,and for all,but if Scrappy Magoo,is an Older Cat,you might,be concerned,with the risk.How old is Scrappy Magoo,as I dont remember,his age,coming up.You,should go,with whatnyou are comfortable,with,and Scrappy angel,will be,with his pal,every step,of the way.