You two had a good talk there. You told her she needed to calm down to talk to you and she did. And she told you you are sarcastic too often, and you defended. Why? Can you judge how much sarcasm is too much sarcasm for her? If she says it's too much for her, then it is. So, you can improve the way you deal with her by listening to what she says. Both of you learned something in that conversation. You are ahead of most couples. You could improve the communication and improve your marriage. But you are not doing too badly already.

You should try to get her to go to a Retrouvaille weekend with you. That would fix the communication and teach you both to compromise. Check the website, www.helpourmarriage.org for dates and locations. It can completely change your marriage from an unhappy one to a happy one. Read about the 4 stages of marriage on the website.