The most quoted verse in Christian dating conversations is Proverbs 4:23 β "Keep thy heart with all diligence; for out of it are the issues of life." It is almost always quoted as an instruction to protect yourself emotionally, to hold back, to avoid vulnerability until certain conditions are met. That is not what the Hebrew says. The word translated "keep" is natsar β to watch over, to guard as you would guard a spring of water, a water source. The verse is about stewarding what flows out of you, not shutting off access to you. The context is about what proceeds from the heart: your words, your walk, your decisions. "Guard your heart" in Proverbs is not a command to be emotionally unavailable. It is a command to watch what your heart produces.
Ruth is a study in vulnerability and faithfulness without any guarantee of outcome. After Naomi's bitter speech she stays. She enters a foreign country, gleans in a stranger's field, and does the next faithful thing without being able to see the end of the story. Her approach to Boaz in Ruth 3 is not passive β she takes a risk, at Naomi's instruction, that could have ended badly. It didn't. But she couldn't know that beforehand. Her faithfulness was not a strategy; it was a character.
Paul himself was single and used his singleness as a theological argument for undivided devotion to God in 1 Corinthians 7:32β35. He doesn't treat singleness as a deficiency waiting to be corrected. He treats it as a different kind of freedom. That doesn't remove the ache for someone β Paul doesn't pretend the desire is wrong β but it does say that the present season has genuine content, not just a holding pattern before real life begins.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.