Buds started to get heavier - dont know if any extra stabilization would be necessary.
All the energy is needed for flowering - The energy is drawn from the lower leaves.
Weather is very bad the last days/weeks only rain - I hope it gets better because you feel that she needs more energy/sun.
Nice grow man. This is your first cannabis grow ever?. Your plant looks good, it could use some topping and LST to really get her to her full potential. So far so good though, keep up the good work, she looks healthy.