most importantly, much treats, you can't spoil a cat because we already know everything belongs to us anyway. if your cat is a little baby-type cat, don't be afraid to get really handsy, even if they hate it at first. you gotta normalize bein' touched and handled and groomed early! :3 if you're cat's an adult-type cat, first of all, congrats on adopting! you are embarking on a journey of understanding and finding mutual compassion with a living weapon that has a history you will never know, stay strong and it will be very rewarding! second of all, it's gonna take some time! feed cat on time, keep cat happy and warm, allow cat to exist worry-free and one day cat will become a comfortable thing in your home.