Guard Your Heart
Be careful about emotional and romantic attachment — don't give your heart away too fast or to the wrong person. From Proverbs 4:23, mostly applied to dating.
What they actually mean
“"Don't fall too hard, too fast, for someone who isn't right."”
Heard in the wild
“I really like him, but I'm trying to guard my heart.”
“Guys, guard her heart — don't lead her on.”
The Lighter Side
Advice given to teenagers about crushes. Ignored by teenagers about crushes. Eventually understood by the same teenagers at 28.
The longer version
What it means
"Guard your heart" means be careful about what you let in — especially, in the way it's usually used, whom you let yourself fall for. In evangelical youth and college ministry, it's the standard advice about dating: don't get emotionally attached to someone you're not sure about, don't lead someone on, don't let a crush run your life, and keep your deepest self for the person who's committed to you. The verse behind it, Proverbs 4:23, is broader — "above all else, guard your heart, for everything you do flows from it" — and is about protecting the whole inner life from corruption.
Why people say it
Christians believe the heart — meaning the center of a person, not just the emotions — is where life comes from, and that what you let into it shapes everything else. Applied to relationships, the advice is that emotional intimacy given too freely gets people hurt and makes wise decisions harder. Youth pastors say it because they've watched a lot of fifteen-year-olds get their hearts broken, and they'd rather not.
How to respond
If a friend says they're guarding their heart, they've decided to go slowly with someone or to step back; support that without interrogating it. If someone tells you to guard your heart, they're worried you're getting in too deep; you can weigh the concern without accepting the framing. If you grew up with the phrase and it feels heavy, you're not alone — a lot of people have had to separate the wisdom in it from the fear that sometimes came with it.
If you hear it in different churches
Evangelical, Baptist, and non-denominational youth and college ministries, especially those shaped by 1990s purity culture. Catholics and Orthodox affirm the same caution — chastity is a virtue in both — but don't use the phrase. Mainline Protestants rarely do. Older evangelicals may use it in the broad, Proverbs sense about the inner life in general.
Where does “Guard Your Heart” come from?
Proverbs 4:23 — "Above all else, guard your heart, for everything you do flows from it" — is the text, with Song of Songs' refrain "do not arouse or awaken love until it so desires" as its romantic counterpart. The phrase's narrowing to dating advice came with the evangelical purity movement of the 1990s: True Love Waits (1993), purity rings, and above all Joshua Harris's I Kissed Dating Goodbye (1997), which sold over a million copies and made "guard your heart" a slogan. Harris later withdrew the book (2018), and the phrase carries that history for many who grew up with it.
Good to know
The proverb is about the whole inner life — thoughts, desires, motives — and applies to far more than romance. Evangelical youth culture narrowed it to dating in the 1990s purity movement, and some people who grew up with it now find the phrase loaded, associating it with fear of relationships or blame for having feelings. Used well, it's just wisdom: be careful whom you trust with yourself.
You might also hear
Purity Ring
Youth Group & CampThe 1990s–2000s evangelical movement urging teenagers to pledge abstinence until marriage — with rings, rallies, books, and modesty teaching — and the wider culture it created, which many Christians have since critiqued.
“"The '90s youth-group abstinence movement — rings, pledges, and a lot of rules — and the reckoning that followed."”
Courting
Youth Group & CampDating with marriage explicitly in view — often with families involved, boundaries agreed up front, and casual dating avoided — a practice revived in some evangelical circles in the 1990s.
“"Dating, but only if you're serious, and your parents are watching."”
Missionary Dating
Youth Group & Camp"Unequally yoked" (from 2 Corinthians 6) is the warning against a Christian marrying a non-Christian; "missionary dating" is the tongue-in-cheek name for dating someone in hopes of converting them.
“"The church's warning about marrying outside the faith — and the nickname for dating someone to convert them."”
Common questions
What does "guard your heart" mean?+
Be careful whom and what you let shape your inner life — usually applied to romantic attachment. The proverb it comes from is about the whole heart, not just love.
Is it just for teenagers?+
It's said most to teenagers and college students, but the principle — don't give yourself away carelessly — applies at any age.
Why do some people dislike the phrase?+
Because in 1990s purity culture it was sometimes used to make people afraid of feelings or ashamed of having them. Many now try to keep the wisdom and drop the fear.
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Written by Rev. Christopher D.F. Warrington, Ordained Minister, M.Div. · Updated September 2026
This entry was compiled with AI assistance and has not yet been reviewed by an ordained pastor.