I can't go through with it - You say it like you're the weakest link. But maybe you just

You say it like you're the weakest link. But maybe you just don't want to admit you messed up. Either way, you're going to get yelled at for it.

'I can't go through with it' said when he had to admit he lost the game.

'I can't go through with it' said when she had to tell her mom she failed the test.

'I can't go through with it' said when he had to face his ex.