Unfortunately, most of the people I know who have unintentionally got caught up with men who weren't actually single have said very similar things about their behaviour. People who do cheat can be quite manipulative.
Your fear is normal, but I would think about what you would want if you were in her place. Their pictures together on social media, a child, a medication bottle issued within the last three months…it's clear she's been there so I think there are enough red flags to warrant asking her, personally.
Your response sounds rational.
Unfortunately, most of the people I know who have unintentionally got caught up with men who weren't actually single have said very similar things about their behaviour. People who do cheat can be quite manipulative.
Your fear is normal, but I would think about what you would want if you were in her place. Their pictures together on social media, a child, a medication bottle issued within the last three months…it's clear she's been there so I think there are enough red flags to warrant asking her, personally.