Generally speaking, there is no standard answer. Everyone is different, and what they want and like are different. I don't think you should consider this problem. Be warm when you meet a girl you like, and get to know her with your heart. It is best to have the same interests and hobbies, and then have the same topic. One is absolutely effective. They like humorous people. Watching comedy programs and cross talk from time to time helps to cultivate a sense of humor. You can also watch some cold jokes. Come on, the most important thing in love is boldness!