I met my best friend when I moved into my house 10 years ago she lived across the road and we became friends pretty much instantly.
We are both single parents and her daughter is similar age to my son, my friend and I work together part time and our families are really close, we have xmas etc together
My mobile phone broke and my son gave me one of his old ones to use and there were text messages saved on it between my son and friends daughter that suggests that there has been intimacy between them, they are both now 18 but these texts go back a couple of years, would it be unreasonable for me to question my son about this or should I delete the texts and forget about it