This just in, it is actually good for you to have sex before you go out in public to give a speech. Well, I can only agree with this assertion, and it could not have been a more healthy option. So says the BBC.
I mean, some people take blood pressure pills like Propranolol or other heartbeat moderators, which I bet is not that good for you in the long run. On the other hand, I can see no long term hazards for love making (barring if you are really stupid, you know what I mean).
So female postgrads of the world, I know how hard presenting your thesis can be, but fear not, I am the good samaritan type and I am always happy to help out a damsel in distress.