Why would God forsake His Son?

Lent: Why would God forsake His Son?

Matthew 27:46 ESV

And about the ninth hour Jesus cried out with a loud voice, saying, “Eli, Eli, lema sabachthani?” that is, “My God, my God, why have you forsaken me?”

Mark 15:34 ESV

And at the ninth hour Jesus cried with a loud voice, “Eloi, Eloi, lema sabachthani?” which means, “My God, my God, why have you forsaken me?”