If you do the bench press in a correct form, your angle is right and your feet firmly planted on the ground, but you still can't push your limits due to the wrong action at the beginning.
let your head and neck strench in the whole action may cause you cannot use your primary muscle group to generate force. Once you quit this habbit, your PR will be leveled up.
In the end, please remember those tips mentioned in the video. They will do much help with your home gym training. Suppose you like the content or feel great about the tips. In that case, you can subscribe to Major Lutie Fitness and get surprising content about training and new releases in our store!