1.   Paints today are getting safer as companies remove harmful chemicals, but you still need to be careful.

2.   Paints today are getting safer as companies remove volatile organic compounds, but you still need to be careful.

3.   Probably your high school art teacher trying to convince you that your masterpiece did not necessarily get better as the paint got thicker.

4.   What happened, however, is that the paint got hot and cold alternatively, according to the seasons.