iKnowHow Series: How to Know if a Guy Likes You (for Girls)

Do you have a crush on a guy but not sure if the feeling is mutual? Or maybe you're curious as to whether that guy checking you out is doing so out of interest in you or he's just staring at something else behind your head? Well, whatever the reason for your need to know, there are a few certain ways of working out whether if a guy's interested in you or not in the "iKnowHow Series: How to Know if a Guy Likes You (for Girls)" guide.