Sending important messages via text is the coward’s way out. Don’t be the person who texts important messages. It’s rude, inconsiderate, and, yes, cowardly.
Children will adapt to nearly any rule or routine as long as it is consistently enforced within that particular household.
Any time and energy you spend hating and being angry at your ex will ultimately take a toll on you without effecting any positive changes in your ex or your relationship.
Your primary goal should be to have a great life. You can still have a good day, enjoy your child, and ultimately find happiness, whether your ex is acting like a jerk or a responsible person. Your happiness is not dependent upon someone else.