Just say, “No.”

“My son, if thou be surety for thy friend, if thou hast stricken thy hand with a stranger” (Proverbs 6:1).

“Thou art snared with the words of thy mouth, thou art taken with the words of thy mouth” (Proverbs 6:2).

“Deliver thyself as a roe from the hand of the hunter, and as a bird from the hand of the fowler” (Proverbs 6:5).

from Proverbs 6:6