Next time suggest your colleague consider her bible.

1 Corinthians 10:13 - No temptation has come upon you except what is common to men. But God is faithful, and he will not let you be tempted beyond what you can bear, but along with the temptation he will also make the way out so that you may be able to endure it.

Jesus told his followers to guard against and flee from temptation. Matthew 6:13; 26:41

Remind her that her weakness is not insurmountable if she only relies on the one who can provide the strength.