The Hebrew word translated "intermeddle" occurs only once in the Bible (Prov. 14:10). It means to share or take interest in. "The heart knows its own bitterness, and a stranger does not share its joy" (NKJV). As described in ISBE, "The ultimate solitude of each man's soul at all times," whether is be good or evil, sorrow or joy. Nobody really truly or fully  knows how we think and feel about anything. It is similar to Paul's words, "For what man knoweth the things of man, save the spirit of man which is in him?" (1 Cor. 2:11). First Kings 8:38 conveys the same idea. Every man knows his own heart. Others cannot fully know.

  There is an exception to this. That exception is the Lord. The Lord knows the heart of every man, understands, cares and shares (1 Kings 8:39; Acts 1:24). We sing, "Nobody knows but Jesus. Is it not better so?"