Why did they run out of water? Surely Avraham would have given them enough to last until they reached the next inn?
Rashbam: Since she lost her way, it took that much longer to reach her destination.
Targum Yonasan: As soon as she entered the desert, she began worshipping idols, and Hashem made Yishmael feverish, causing him to finish all the water - though his fever only got worse.
Why did she cast Yishmael down?
Taargum Yonasan: Because she prayed to the god of her fathers, who did not answer her.
What are 'Sichim'?