Whether we want to admit it or not, an athlete's personality plays a big role in his or her likability.
If that's so, then this well-done video by the PGA Tour will make you like 21-year-old Jordan Spieth more than you did before.
For those familiar with Spieth's story, you might know his sister, Ellie, has special needs. He has often said he draws inspiration from the bond the two share.
Here are some more photos of the siblings hanging out. Jordan loves to say that his sis, Ellie, is the funniest member of the Spieth family.