wundaweb wrote:
My friend has recently lost one of her cats in a road accident. The cat
was one of a brother/sister pair and only twelve months old. Should she
get a new kitten sooner or later in order to provide a companion for
her other cat who is missing his sister?

Unlike the (human) OP in another similar thread, I'd get the new loner
a buddy ASAP.

HTH

--Karen D.