There's nothing wrong with taking a break, I have been playing on and off since 2.0 beta, I wont lie, I have taken breaks, my sub ran out 3 months ago due to a twister taking my house, and now I'm playing again mostly working on crafting and gathering classes while waiting back to get my house back, but I can normally find something to keep me from getting burned out on, I think that's whats causing most people to quit/taking breaks.