Sans is your step-son, the women you married to was his mother that died cause of cancer, ever since his mother died...he started acting weirdly to you, his attitude we're always so clingy and flirting to you, and it made you a bit uncomfortble but you thought to your self that maybe his just playing around, but time to time he is starting to be like a person who is 'dating you' and acting in those kind of attitudes You are now heading back to home from work