I would not say math is my weakest point, but certainly nath is not what I want to do for the rest of my life. I am more keen on business or finance. So I guess I just need to decide as to whether mfe would be the right career choice
There are many sources of information. Talk to a person that pursued MFE. Pick-up some introductory books from the "master read list" thread on quantnet.
Check the curriculum for some MFE programs and peek at the content for a couple of courses.
Overall, you should spend at least a few weeks for research ...