My mum talks about my ex 24.7

She's constantly telling me to watch myself cuz he might do this.... telling me who he's friends with so I can avoid them.... telling me about what he's driving where he's living.... blablabla she's only looking out for me obviously but I'm sick of hearing his name... She's more obsessed with him than I was !! Like how am I ment to move on whenever she's constantly bringing him up.. I think it's because of the stuff he's done to me in the past it always plays on her head but it's annoying ASF.