A Mercury/Mars opposition on January 23rd signals the end of a friendship or business association. Although the angry exchange of words isn’t any more volatile than previous arguments, the difference is you’re tired of the aggravation. You have other friends whom you enjoy, and there’s even a new acquaintance at work who promises to be a more productive collaborator. Don’t feel guilty about parting ways. If anything, you should feel relief. Continue to be friendly, and you’ll see that the other party is just as happy to go their own way. Evidently, this split has been in the works longer than either of you knew.