It is more like I fall into other people's energy and start mimicking it sometimes--my emotions can get to the point that my emotions are the same as the person I am with. I don't know if I explained this perfectly--I tend to do this with people I am with a lot because I like them or people who are in the position to dominate me (I have been getting a lot better at insisting on walking away when I need to).

Open Eyes--I think this video explains perfectly how to protect yourself:
How to Stop Absorbing Other People's Energy