Your priority was to get that little Mumma cat off the street & desexed. ASAP. They can become pregnant 48 hrs AFTER DELIVERING KITTENS. You say the Mum cat "Walked by your house & noticed her kittens were all grown up and went on her way" - NO. A mother cat will FORGET her kittens...
For some reason I have envisaged you as a lady. Until you mentioned the things you have in common with this little man. Now I don't know if other TCS posters might agree - I would be happy to hear their opinions on this:- a lot of men do not like cats, and will often be VERY UNKIND to them...
Bless you for taking this poor boy in and trying so hard to give him the care he needs & love. Being patient is the most important aspect when dealing with a little cat that has been through some tough times. I started feeding a little stray bloke a few years ago - he used to scamper up the...