In essence your statement is that trading can be enjoyable for any trader when they trade responsibly. Otherwise trading can become like gambling and unpleasant. Gambling with a good strategy can be enjoyable but gambling haphazardly can be unpleasant due to constant losses. The point is, comfort doesn't come from losses.
If you have adequate knowledge of trading it will be enjoyable because you'll experience a different atmosphere when trading which will undoubtedly trigger an adrenaline rush. So to make it an enjoyable activity you need to thoroughly study trading.
I agree, it is not an easy task to make some money from trading and also be unhappy, while stressed could be the result but you should be happy if you are making money, whereas if you are losing money then it is near impossible to have fun.
So result is very important, we are not some painters who do not do it for just our desires, this is trading, the only outcome that matters is how much you make and for that reason I think it's quite important that we end up with something that will be good for a long time and for that reason I think it's clear that we are going to see good results equal to happiness and bad results equal to unhappiness in the market, it's as simple as that and it will not change for trading ever.