50 days

We are now just about 50 days in. I have noticed that she is starting to have dark green leaves near her buds while my fan leaves seem to be getting brighter or starting light green. Does this have to do with flowering? Also i was wondering what you guys thought about my plant in general. Also...

First grow, full journal with all specs here: https://www.rollitup.org/t/sl3xx-journal.925536/ Below are photos on day 50, which is today. Been LSTing heavy the past 2 weeks. Thinking about flipping in the next few days since I've run out of horizontal space. Do you agree I should flip these...