Short persons are built too close to automobile exhaust pipes. The noxious fumes get into their brains and make them crazy and they try to bite buses, which can be pretty dicey, especially if the bus has not stopped. The worst jogging injuries result from flopping. Never wear both at once. At least not in public.
Children often taunt passing joggers.
After a while, you will become accustomed to this and even grow to enjoy it, especially if you carry a golf putter and rap taunting children smartly across the back of the head with it. Dogs can be a threat. If that doesn t work, show him your membership card from the Humane Society. Set your own pace. If you black out after 5 minutes, you are probably running too fast.