What should I do to avoid getting an erection during a massage?

I'm a thirty-something man who has a happy but often stressful life. I'd like to get a massage every now and then, but I'm worried about what might happen when I'm virtually naked and being rubbed all over by another person. In other words, I'm worried about getting an erection during a massage. It seems like there would be no way to hide it.

How do I deal with this? How do masseuses deal with this when it happens? Do they expect their male clients to get aroused? Would they think I'm perverted when I'm lying on the table and standing at attention?


Is there a connection between soy products and male impotence?

I once read an article stating the soy products (espcially soy milk) can lead to impotence within males if taken to a high degree. I go through random bouts in my life where I cut out cow milk completely and drink just soy milk for long periods of time (not because I'm lactose intolerant but for argued health benefits). I'm just wondering whether drinking strictly soy milk every day (at least 3 10-oz. glasses for me) is overkill.