Competition is healthy for your sperm

Stumbled upon this article about how men can improve on their sperms performance when their in competition.

The volunteers had previously abstained from sexual activity for two to six
days. In samples from men who viewed the images containing the two men and a
woman - the “sperm-competition” images - 52% of the sperm were motile. This
compared with 49% sperm motility in the men who viewed the images of women only
– a difference that was statistically significant after taking into account
lifestyle factors such as cigarette smoking and alcohol consumption... more

Did a define:search on googles on what 'motile' means - "capable of self-propelled movement. A term that is sometimes used to distinguish between certain types of organisms found in water." I'm imagining small little albino tadpoles fitted with propeller hanging around, waiting for the green light. Hmmm...