I’m sorry for your loss, it’s always hard. Hugs to you.
Fostering is a wonderful way to enjoy having an animal and to help them find a great new home. Fostering can help the cat or dog learn how to live in a house and to do things like walk on leash etc. Or it can be to get the animal relief from the shelter environment.
For those of you advocating an older person to get a kitten(s), some rescues and shelters do not adopt a young animal to an old person because many times the animal out lives the people. It’s so sad to see an older pet come into the shelter, it’s worse than sad it’s heartbreaking.