She is a tabby and we have had her 2.5 years - she was born outside and lived outside till we gave her a home. She has always had a slight 'wild' streak in that she is not a lap cat like others we have had.
She never sits on you and is not very affevtionate except at bed time when she snuggles between dh and I for about 10 mins then she is off.
Recently sh has started really hissing at dh and I. It's always when we go to stroke her when she is on something (window sill/chest of drawers etc)
Today she hissed at and scratched ds - he was going to stroke her as she was sitting on a coffee table.
She does not appear to be injured - I have checked, so am a bit flummoxed.
Any ideas/experience?