I'm a 27 year old male from the UK and in 6 weeks time I'm about to visit my girlfriend in America and have this fear of not performing should we have sex and since it'll be the 1st time I don;t want to let her down.

I'm just wondering what ruleslaws are they about taking a non-prescription generic viagra (Kamagra) on flights from the UK and into other countries such as America? And should I visit my GP about the matter in case I am stopped and searched at the airport and have to show some proof.

I'm thinking the problem is psychological and not a medical condition, as I've not had problems before in past relationships, and this only started just over the last 67 months ago as I have been very stressed and also a bit depressed over money problems and other issues relating to it.