Ladies I Need help on this one! Why do I feel this way??!!?

Ok I have been getting to urge to be by myself and just be a social erfly. The problem is that i'm married, have been for the past 8 years. I have a beatiful family and relationship, but I feel like im missing out on LIFE! I have been in 2 looooooong relationships and never really been by myself.Am I wrong? What should I do? BTW Im 33 have a good career, came from nothing, had nothing, now im abit financial stable, but with all this social media, I see people having so much fun, my wife is a homebody and really does not like to get out much...need help!! thx