Yes, he should have. No, he won't, he'll tell himself it was because of the heat. That's what he said after the Soderling match last week
Well if he does, he'll keep losing them, the decision making there was silly and he helped Murray by saving Murray's legs. If Gulbis gets fitter following his back issues, hopefully his own concerns about his fitness and the need to shorten points when it would be strategically more sensible to lengthen them will disappear.