Cats that live indoors have life expectancies of anywhere from 10 - 30 years (although anything over 20 is unusual). Outdoor and feral cats have lower life expectancies due to increased exposure to illness, predators, traffic, etc.
It is possible for a calico cat to have a calico kitten. It is likely that it may have different coloured kittens as the kittens father usually another colour.
yes a cailco cat ca have many boy kittens. but as far as them haveing a male calico kitten, it very highly rare. i have owned a callie coat cat ever since i could remember and she has had many...