No matter how many times you watch other people flirt it wont help you do it yourself. Flirting is intimidating, scary, and requires a lot of confidence. The best way to get better at it is to put yourself out there and practice. Trying different techniques to figure out which ones are for you is the best way to learn. I found 2 out of 3 of the tips in this video to be relatively easy techniques for even the non-flirt girls.