It's wrong to send texts to the wrong people.
Daniel is reading a saucy sexual text from his girlfriend when he gets another incoming text from his mom.
Daniel wants to reply to an outstanding text.
Daniel replies to his mom's text without exiting the conversation with her.
Daniel replies to the saucy text but does not exit the conversation with his mom and sends it to her.
Daniel's mom is happy to hear back from her son so quickly.
Daniel's mom is grossed out and recoils at the revealing information she didn't want to be privy to.