"So whats the point in partaking in a sport/activity where the participants feel unable to express their true thoughts/feelings/natural response to things such as pain, for fear of ridicule & the need to stick to a macho code of conduct?"
I repeat you do not get it and no explanation would appear to suffice that you will ...so when you next take a trading loss by all mean express it ...if you have problems trading you need look no further than the above for the answer..I'm serious ,your para above contains a wealth of information for you and if you can dig through it you will be a better trader.
You make a good point with regard to applying that logic to trading/other areas of life - discipline - non-emotion/none over-reaction etc. but with the social freedom so that the participant feels able to react to/embrace the pain to the level that it merits, without inhibition.
But with rugby - eg. a high tackle, players could/should make a lot more of the pain they are feeling. I have seen rugby players get clothes lined, or their head stamped on, obviously be in pain, then they just get up & on with it. THIS IS NOT A NATURAL RESPONSE TO SUCH PAIN. In a way this is good. But in another way, this reduces the likelihood of the referee awarding a penalty/punishing the perpetrator.
In soccer, players take this to the opposite extremer by play-acting in order to gain the penalty/get the opponent punished etc.
WHAT i would like to see in all sport is a reaction (to a foul) that the situation/pain merits, without either an over-reaction or an under-reaction.
In rugby, i suspect that none expression of pain caused by an opponent is done for the reason of not giving the opponent the benefit/advantage/satisfaction of not letting the opponent know they have hurt you - which is good - in the competitive sense. Compared to eg. reactin to a twisted knee through slipping , not being caused by an opponent.
Soccer players have a completely opposite philosophy, and could learn something from rugby players "none-backing down to an opponent" type philosophy - for the benefit of foootball for everyone - referees, spectators, players etc.