I know what you mean by a Cat not being affectionate , as it is half and half with My Found Cats as some like being held and petted and others do not.
I would not worry as as I bet that Cooper when he has matured will be a lap Cat , and will be very affectionate.

Cooper is quite an Owesome Orange Gentle Cat and we would like to visit with take out and treats on his Special Day. Con Cat Ulations Cooper from the Found Cat Hotel!!!

We all are sending our MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM MMMMMMMMMMMMMMMMMMMMMEEEEEEEEEEEEEEEEEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEOOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOWWWWWWWWWWWWWWWWW WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWS , especially Michael Angel and My Orange Cats to our New Friend and Newest Cat Of The Day Cool Cooper.