You’ve been an ideas factory lately and your enthusiasm is contagious. Now it’s time to funnel your freewheeling cognitions into mind-mapping the home you’ve always dreamt of. Whether you’re fantasizing about painting your own wallpaper, digging rows for a winter garden, or spiffing up the communal chore roster, translate your imaginings into actionable items. Create a mood board with colorways and magazine cuttings. Get your roommates in on the DIY. Research hacks online. When you communicate the game plan, the hardest part is already done.