Carefully follow the size charts on the online sites listed below to avoid the "Goldilocks Syndrome".
For example for the letter "B" you can read about Goldilocks and the three bears, make bubbles and buy a few helium balloons and write the capital letters and lower case letters on them.
Then come the early purple orchids and Goldilocks buttercups.
I use the "Goldilocks Rule" - "not too much and not too little."
Just like Goldilocks and Rapunzel, you'll want to keep your long hair in shiny shape by brushing it several times daily.