A completely different take on this phrase is that discretion means being discrete as in protecting people or information from exposure in some manner. If one is to be perceived as possessing valor by others, then they cannot express this by being merely brash and powerful.
Probiotics are essential (for at least a month or two after the antibiotics stop, depending on the potency) when you have had antibiotics to replenish the beneficial bacteria.
How to Tell If One Needs a Probiotic. By S.F. Heron. Probiotics are naturally occurring bacteria found in the intestines. These bacteria help stabilize the growth of both good and bad bacteria and are essential to a healthy functioning intestine. Probiotics have been used to treat intestinal and stomach ailments.