Experiments for a new technique - Double Exposure

I think double exposure is not for anybody. Even doing it in camera, it required a lot of post processing to get to a point where I kind of liked the result, and even so it is very easy to fall into a 'cliche', like I did here by juxtaposing some flowers and my friend's portrait.

This is the final image:

And this is the original:

I think this was OK for a first experiment, but for next time I will think of some ways to give my double exposure more meaning. What do you think?