“He that loveth not knoweth not God; for God is love.”
1 John 4:8

It is clear, to know God more, you have to walk in love even more (beyond just learning about love), your love must abound more and more and it is clear what happens to you when your love abounds:
“And this I pray, that your love may abound yet more and more in knowledge and in all judgment; That ye may approve things that are excellent; that ye may be sincere and without offence till the day of Christ; Being filled with the fruits of righteousness, which are by Jesus Christ, unto the glory and praise of God.” Philippians 1:9-11
He says you’d begin to make the best choices in life, you’d make excellent decisions, you would live a life of sincerity and without offense till the day of Christ and not just that, you would walk in righteousness and produce fruits of righteousness (do only the right things) that causes praise to God.
A man who expresses all of this, for certain must know God, that would be the testimony of everyone who meets him. (See Daniel, 6:4, 5:11)
Truly, the man who walk in love knows God!

Bible Reading Plan: Deuteronomy 10 and Ephesians 3