Think your harmless office crush or Instagram flirtation is no big deal? Think again. Micro-affairs—those tiny emotional investments in someone other than your spouse—might be draining your marriage’s emotional bank account without you even realizing it. Before that innocent admiration turns into something more, it’s time to check your boundaries, refocus your attention, and keep your love story where it belongs—center stage. Because in marriage, you don’t want to be an opening act for someone else’s main event.