yes i am wearing a helmet. i actually made sure it matched the color tone of the bike. i cannot have the fashion police pulling me over, i'll be too busy puking as i push my bike up hills ..my arm and ankle are ok, i had eaten dinner a half hour before i went out, and then a cookie, so not sure what happened. i try to stay hydrated, and my bike has a cute little water bottle holder on it..i may need a tune up b/c i noticed that i could not get the front gears to go back on the large chainwheel. i tried when i was on the flats, but it did not want to give. SO i stayed in the middle gear in front(21speed). i know of one place that fixes bikes around here, so i'll call them this week and see if they can check it.thanks for the advice