Yes!! I can try to save you the grief of him losing that useless limb.... I'll never forget watching Huck drag it along.... his little toes moved even though they said that limb was dead. 

After surgery I saw a different cat.  I actually saw his relief ❤   Life over euthanasia... it was totally worth the trip. 

We played calming kitty music and had cat tv for Huck too! That way if we both had to leave his room he had something to occupy himself with.  And he loved it. 

I cannot explain in words how amazing it is to see Huck lay belly up with no remorse for that long gone leg.  As a kitten,  i think it will be even easier for yours. 

Don't beat yourself up.  And please don't mistake that drowsy comfortable healing process for depression.  He needs to stay calm and sleep.  Just make sure in between naps that he's well hydrated and eating some.. hydration first👍

If any of that changes you need to let your vet know. 

Baby steps ❤❤❤

Pawsome job 🥰🐾