If you know you have it, you have it. It's actually very intelligent to be so lucid and rational this early on in your development. Just keep doing what you're doing.. when it matters you'll tear that shit.
for the older working types, jj is just another way of getting some good exercise while enjoying a hobby. We can't put food on the table with a dislocated shoulder. We all have to go right back to work on monday, so there is no point to treat your roll sessions like its the finals at abu dhabi.