Six months on from this thread: https://www.purrsinourhearts.co.uk/index.php?topic=48575.msg899437#msg899437
and things are still tense.
Quick recap: We adopted six-year old Vincent last June. He's a sweet natured cat and can even be a bit of a wuss (he hides from visitors), except with our elderly tabby, Drum. He just won't leave her alone, despite her making it quite clear that she wants nothing to do with him. He pesters her, chases her up and down the stairs and tries to follow her to the litter tray.
This morning it escalated and turned into a real fight, which is what I've been dreading. I didn't see how it started but I'm guessing she hit him (growling and spitting don't make him back off) and this time he hit back.
Anyway, we've made a sanctuary for her in the spare room so she can get some peace while we're out. The rest of the time we have to keep an eye on him. It's all a bit stressful.
Someone suggested that Vincent might not have had siblings to play with and teach him boundaries, which is why all her growling and spitting and raising of paws is having no effect.
Either that or he's just really stupid! (I'm only half joking - he can't work out how to use a treat ball.)
Do you think this is possible? And is there anything we can do about it - apart from trying to find a regression therapist who works with cats.