I've got some white hairs starting but have a hell of a longer way to goI don't usually pull leaves unless i think there's going to be problem with airflow (and it would need to be really dense), or the leaf is dead and will pull away with the greatest of ease.
I'm not really into training, as i don't have the time or the space to work.
I think if your still new to growing, keeping it as natural as possible is for the best for the most stress free grow.
Still no flowering at 60 days! either way, she's going to be a monster.