What people say can lead to life or death. This proverb affirms this point and then explains it: "those who love it will eat its fruit." The referent of who "it" must be "the tongue," i.e., what the tongue says. So those who enjoy talking must bear its fruit, whether good or bad. We should be warned by this proverb, especially if we love to talk.
[NIV BIBLE COMMENTARY Volume 1: Old Testament].
JESUS IS LORD.