The Hazards of Roller-Skating with a Six-Year-Old

I took the girls rollerskating today -- gotta use up their coupons for free stuff before summer vacation's over, ya know. I don't know what I found more disturbing: the fact that many adults and teens racing around the rink paid no heed to their surroundings because they were so engrossed in their phones, or the fact that my six-year-old daughter informed me, "Dad, you need to learn how to skate better!"