Agree that you are not behind. Having said that, I am generally a believer of the "10K hours rule" to get really really good at something: https://www.ncbi.nlm.

Agree that you are not behind. Having said that, I am generally a believer of the "10K hours rule" to get really really good at something: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4662388/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4662388/. So you better be ready to put in those hours.