This is a samurai hairstyle, notice how the bun is placed high on the head. For the Samurai hairstyle to work best, I recommend you not to have over 8 inches of hair (check out my hair length guide) because you want your bun to be thin and blend in nicely into the contour of your head.
The TSP's core menu includes an S&P 500 index tracker (the C fund), a small-cap stock fund that tracks the Dow Jones U.S. Completion Total Stock Market Index (the S fund), an international-stock fund that tracks the MSCI EAFE Index (the I fund), and a Barclays U.S. Aggregate Bond Index tracker (the F fund).
How's that for a catchy topic title. I just wanted to point out the current yield on the G fund is a steady 2.16% and the current yield on the F fund is around 2.00%. The difference in monthly return of the F fund is driven primarily by the fluctuation of interest rates for the underlying securities of the F fund.