It was a day of sweating and relaxing at King Spa & Sauna. I had heard of a place in Dallas that was huge, with different kinds of sauna rooms, Jacuzzi, pools and Korean-style food. Oh, and it’s open 24 hours a day (i don’t want to know the clientele they have at 3am). Once a Groupon was out, I bought it along with my sisters, husband and brother-in-law and we all went one Saturday to experience it together. This was by far the most interesting experience I’ve had living in Dallas (except for maybe yoga on a surfboard, but I’ll talk about that in another post). We drove in through an arch…