The Peril of Markers

We experimented with markers recently. I discovered that on the PATMM scale (Post-Activity Traumatized Mom Meltdown) they rank far higher than crayons or coloring pencils but lower on the PLTD scale (Potential Long Term Damage). However, PATMM was just too high to be overridden by the low PLTD so we no longer have markers. I just don't like being angry...