On the side of the shower opening that will support the door, hold a jamb piece against the wall so that its lower end fits into the base track. Without moving the track, use a 4-foot level to adjust the jamb until it's plumb. Stick a pencil through the jamb's screw holes to mark the wall.
I was asked to answer, so I'll give this my best shot, please know that I do not have any specialized or trained medical knowledge, only practical experience from Ashtanga yoga and meditation. So, yes, walking does reduce anxiety. 1.
Taking one small step to reduce your stress and improve your emotional health, such as going on a daily walk, can have a beneficial effect. Being active is a small but powerful change you can make to manage stress. Physical activity increases your body's production of feel-good endorphins, a type of neurotransmitter in the brain, and helps in treating mild forms of depression and anxiety.