Found out he’s been using fake Instagram to stalk his ex?

Anonymous
Boyfriend of a year has been on fake accounts stalking his ex and even dming her? I’m so shocked and confused. I read the messages and he tells her she’s beautiful, pretty, sexy etc ever says I love you. Calls her baby constantly! Do I turn a blind eye? What to do? Is it normal? He logs in every day to check her page even if they don’t talk he stills has to look. I caught him asking if she still wants a relationship. I’m having a child and feel so dumb! His proposed but I’m not sure that’s real because right after he jumped on the fake account to check on her. She found out about me pregnant and how he proposed and he wrote her to check on if she was ok and said he’s here for her and also said that he wants that with her now. I can’t believe he’s doing this. It’s so messy I’m so so confused
Found out he’s been using fake Instagram to stalk his ex?
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