What are you afraid he could be doing during this time? Are you afraid that his buddy is talking him into leaving you? Are you afraid that he will take him to where a lot of single women gather? Or are you worried your husband is leaking some embarrassing details from the fight? You may need to first identify what you are afraid of in order to overcome that.

Do you have a life independent of him, like hobbies, friends, something to get your mind off of him until you two make up?