Upstate question

#2 In the book upstate antonio goes to jail for killing his dad which he was fighting the mother but he only saved her and didn't mean to kill him on purpose. Antonio gets lock up and his girlfriend Natasha had to understand everything that was going on so they sent each letter while he was in jail. He took a plead and was sentence 10 years in jail so there is how the relationship fall. While Antonio was in jail he kiss another dude, then wasn't sending letter for months, and she finally told him she can't do the relationship and broke up with Antonio. At the end they were still friends when he got out and both of them started a family and went their separate ways. Do you have relationship problems in the book you read now with your characters?