We are talking about limerence and the anxious attachment style. Limerence and the anxious attachment style have a lot of similarities. 

If you don't know whether you are a secure attachment style, an anxious attachment style, a dismissive avoidant attachment style, or a fearful avoidant attachment style, which is also known as the disorganized attachment style, here is a link to help you out.

http://www.web-research-design.net/cgi-bin/crq/crq.pl