If you dream of cheating on your husband (whether or not you really have one), or having an affair with a married man, it means you will be entangled in a situation that is not in your best interests. You may have behaved in a way that compromised your values.
If you dream of having an affair with your friend’s husband, your dream is actually about your friend and not the man. Your friend has certain qualities that you wish you had yourself.
Also, you may feel like you’re not as close to this friend lately as you would like to be.
To dream that you are cheating with your husband’s friend means you are feeling neglected by your real-life love.
If you dream that your husband was okay with you cheating, you may feel be feeling guilty about something.
To dream that your husband is cheating on you, means you are scared of being abandoned. You may feel some lack of attention in the relationship.