1. Learn yo hair history …

2. … From blunt bobs to big hair.

3. Go to hair school, kinda.

Okay, not really at all, but learn some neat stuff.

4. The optimal way to grow out a pixie cut (if you can deal with growing out a pixie cut).

Honestly, growing out a pixie cut is THE WORST.

5. Trying to get the perfect bang? Check out the Zooey D. ratio.

6. Or figure out what works best for your face shape.

7. And the right cut for your face shape, too.

Get more charts: http://www.buzzfeed.com/juliegerstein/31-charts-thatll-help-you-have-the-best-hair-of-your-life#.ulXOqMG83