Relationship Advice

So me and my ex boyfriend had a pretty bad breakup like 8-9 months ago, we got into a lot of arguments and it was really hard for the both of us. Recently we have been talking again and clearing everything up so we could be on good terms again. Is getting back together has been a conversation we’ve been having and it’s something we both want to peruse but now sure when it will happen. With that being said, I want to tell my mom but I’m afraid to. She wasn’t a big fan of him when we were together and I know she won’t be happy when she finds out we’ve been talking again. I don’t want to keep it from her but at the same time Idk how to tell her.. I need advice on what to say or how to handle the situation. Please help!!

(Also in case any of you are wondering I’m 18 and he’s turning 18 next month)