I was playing with a Prince O3 Hybrid Hornet midsize for a while and I quite liked playing with it. However, I would find that the strings would lose tension rather quickly and would change how I needed to hit after a short time. I would have to restring way too often. I started playing with an old model Babolat and saw that the same strings lasted and lasted. I'm a solid 4.0 (maybe 4.5) who doesn't have a massively big stroke and my stroke certainly didn't change from when I was using other racquets whose strings didn't loosen so fast. Could it be that those large grommet holes on the Prince racquets cause strings tension loss much sooner than smaller holes? I am eyeing a different Prince XO3, but am hesitant to buy because of this. Any ideas out there?