You think that the woman you regard as your mother gave birth to you. But it’s an open question; there’s still debate, and it’s definitely not an open and shut case. Right?
No, no, I’m not being silly. I mean it. You need to prove to me that she’s your mother. You’ve got a birth certificate? Just a bit of paper. You look like her? Coincidence. DNA test? Useful, but not 100% accurate. She’ll swear that it’s true? Well, she might be lying, or was duped at the hospital. A photo of her holding you as a baby? Doctored. You don’t have a leg to stand on!
In the absence of conclusive evidence that she’s your mother, you should suspend contact immediately, examine the evidence more carefully and make a decision about whether you continue the relationship at a later date. By investing in a relationship with your supposed ‘mother’ now, you’re wasting time and energy that could be better spent earning money or having fun.