Death often comes by ways we least suspect. We are often betrayed by the accomplishments we are proud of! Asahel's swiftness, which he presumed so much upon, did him no service, but hastened his end.
SDA Bible Commentary (limited)
Volume 1-7
22. Hold up my face. Abner made a second attempt to dissuade Asahel from his pursuit, making it clear that he feared the blood feud that must inevitably follow if he were to slay the brother of David’s doughty commander in chief.