When should you change from a softop surfboard to a fibreglass surfboard?

When you feel that you can comfortably paddle out thru the surf zone ,control your surfboard and not endanger your health or the health of other surfers. 1. when you know that your ready to start Surfing 2. when you know proper surf ettequite 3. you know the differences between softop and fiberglass. 4. you know that if you damage a surfboard and surf it without repairing it too long, its time to get a new board...