For most units, planning leave is like planning your vacation with a civilian job. You talk with your boss, make sure everything is covered, fill out the forms, get it approved, etc. It's not a big deal. I took a month off to go tour Europe once when I was in the Army.
defecate. 1  to void excrement from the bowels through the anus; have a bowel movement. 2  to become clear of dregs, impurities, etc. 3  to clear of dregs, impurities, etc.; purify; refine.
Dyssynergic defecation is a condition in which there is a problem with the way certain nerves and muscles function in the pelvic floor. The pelvic floor is a group of muscles located at the lower part of the abdomen, between the hip bones, that supports pelvic organs such as the rectum, uterus, and urinary bladder.