My own mother went through practically every religion known to man, starting from when I was about ten. She didn't want to go to any of the meetings on her own, so hauled me along. She always felt that there had to be more to life, she needed to find a meaning.
She finally settled on a form of spiritualism, but as a result of all I experienced I became very strongly atheist.
However I met some wonderful people and it made me very tolerant of all beliefs. I decided that being considered CofE was the best, as it is the most liberal of all the religions I came across.
I know quite a few people who had to convert to Catholicism or Judaism in order to marry people they loved. As one friend said, at least it enabled her to understand what on earth was going on at family events.