The little one likes to take a swipe at the big one. For the time being she can hide under things...Good luck then Nina used my other cat (whom I took home many moons ago when still in Brazil to keep her company, silly me) as a punching bag every time... so I left the other cat (Charlotte) with my mom and she’s still living but they never got as close as those two even for a second, so my feeling is that you’ve got hope there!