As recommended by Wu-Tang Financials (WTF, right?), everybody know you gotta diversify your bonds. They even made a short clip for it.
Those looking for a more in-depth explanation are invited to have a look at what another firm has to say about it:
Skis and Bikes – The Untold Story of Diversification | ReSolve
Skis and Bikes – The Untold Story of Diversification | ReSolve
The skis and bikes example above shows how deriving cash-flows from two independently profitable businesses, which produce returns at different times.