one, talk about God more than anything(weed out the tares)
two, point her to God, not yourself(protects your heart)
Three, these two things will surely show you where her heart is and yours
Four, don't be afraid to tell her she's wrong Biblically
Five, take the initiative
Six, be able to humble yourself to her when your wrong, or your not sure your wrong
Seven, be understanding as women are fragile
Eight, Pray without ceasing for your heart and hers, and put no confidence in your flesh(check out point 2)
Lastly, Make sure you know what Marriage is all about before even thinking about a girl. You as a Guy are to be Jesus Christ to her.
which is a huge responsibility and should not be taken lightly. Before looking for a girl, ask if your have those qualities as a bride, to Jesus Christ