The difference between a 5.10a and a 5.12 is huge. I can do a 5.10a, on a good day I might be able to lead an easy 5.10b. But if I don't put in some serious lif

The difference between a 5.10a and a 5.12 is huge. I can do a 5.10a, on a good day I might be able to lead an easy 5.10b. But if I don't put in some serious life changing effort I will never do a 5.12.