/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: BrendaKellingGladser https://cdn.slidesharecdn.com/profile-photo-BrendaKellingGladser-48x48.jpg?cb=1522994617 I had to quit teaching by choice because of my knees. I've had four surgeries on both knees and my doc says I still need two or three. It slowed me down physically.