The LORD had shut up her womb. 1:5
Trivia: Who said that Jonathan must die for eating some honey?
"The soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul ... And Jonathan stripped himself of the robe that was upon him, and gave it to David, and his garments ... and his girdle." 18:1-4
"Jonathan ... delighted much in David." 19:2
David and Jonathan "kissed one another, and wept with one another" when they parted for the last time. 20:41