Nothing is better than taking a night off from wedding planning and spending some quality time with your friends. Schedule a BYOB game night, make your famous onion dip and organize a competitive girls vs. boys game of Catchphrase. Or, host a themed potluck dinner and have guests bring their favorite Italian, Southern or Mexican dish (you get the idea).
Depending on the season, you can take part in whatever festivities are going on in your area. Plan a tailgate before a big football game in the fall, go ice skating in the winter or round up enough friends to play a game of kickball in the spring.