My husband is receiving and responding to drunk texts from fellow sports parent late at night. 6 months ago, they were playing non-stop cell phone games. He was only playing with her. No one else. She's attractive. They have high school/common friends/similarly excelling kids in sports. She shuts down conversation with him when I'm around... making me feel very unwelcome in conversation involving my husband. I talked to my husband about situation and how it made me feel. He promised to stop playing WWF with her and find other players. VERY ez to do. 2 weeks later, I noticed inadvertently that he hadn't stopped. BLOW UP! Stopped then. Now, 6 months later, I saw his phone light up at midnight with her drunk texting him. Based on that, I looked, and he'd been responding. By the way... we were in middle of romantic evening around campfire, kids asleep, the moon was the night of the HUGE moon... LOT of fiery romance by the campfire! Then I saw texts were going on while he'd stepped inside for something... He said it would stop. She's married. We ALL have children on same sports team. His, mine and hers. Her husband coaches a sport that my daughter is phenomenal in and will be depending upon a coach in high school to help launch her into scholarship. I have to tread lightly... EXTREMELY upset though and need to protect my family. How do I handle?