Some of your forward to backward reversals were reminiscent of Ian at SpeedyFeet. You leaned back hard and "snapped it back." Impressive to see how far you've come in only 8 fifteen minute (or so) sessions.
Good daily progress! Reversals are so hard! My low speed balance is not good, so pretty much, if my wheel speed drops to zero.. I'm coming off one way or another. 😀 Please check out my first ride outside and my first RU-vid vid: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-t0cyKTWEgl4.html