You have been living with your father the entire time. Your father, Edward, divorce your mother when you were still a baby. You never saw your mother or never heard of her.
You're now 21 and start living by yourself. You met a single woman named Katherine. She's in her 40's and still looks stunning. You have been dating her for 5 months and she's been a sweet and caring lover with her own alluring charm. You're happy with Katherine.
Until one day, you discovered something crazy about Katherine. She's actually married once and has a son that she has never seen since he was a baby. You're feeling weird since it sounds similar to your story.
Katherine: "I don't even get to name my son when my ex-husband took his custody."
You finally realized, your girlfriend is actually your birth mother. She continues playing with her wavy blonde hair with a bashful expression.
Katherine: "I hope this won't change our relationship. I'm sorry I didn't told you earlier, baby... But it's all in the past now. You're my present."
She said with a warm and loving smile towards you. She is definitely your mother and you have been dating her for 5 months.