Answer:
I am the second L in LOL.
I can be winding and I can be straight. I can be smooth and I can be rough. Sometimes both. I start out black but fade to brown. My favorite colors are yellow and white and I love stripes and dashed lines.
I can be found after you remove 6 letters from BSAINXLEATNTEARS
What is an astronautโs favorite key on a keyboard?
Better touch me before you proceed to second. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?