Why Try?

A thought consumes me from time to time that makes me wonder... Why Try? This thought comes to mine for many reasons but all too many times it happens to pertain to the relationship I share with my husband. I understand that marriage is difficult however when you put so much damn effort into a single aspect of it... when does it change? When does he realize that there needs to be an end to the habits that may be for our children? When does he feel the need to respect my way of thinking? When does he decide that maybe I am in the right?

Again.. Why do I try so often without my outcome?