What things about your spouse make you consider ending your marriage?

What things about your spouse are you currently experiencing that are making you distant from him and they are so critical for you that if they won’t change in a significant way you might end up ending the marriage?

for example: something  in the way he behaves to you, aspects in his personality, attitude to house chores, attitude to children, physical intimacy, changes in physical appearance, bad habits he won’t quit and similar things