My girlfriend is expecting our baby any day – but I also unintentionally had sex with her mum

DEAR DEIDRE: MY girlfriend is expecting our baby any day, but the situation is complicated because I’ve had sex with both her and her mother. It wasn’t intentional. I’m a 30-year-old roofer and I met her mother, a 44-year-old artist, while I was working on her garden studio. We bonded during breaks and, when I...