Check your grammar now! : intense or paroxysmal excitement; especially : the rapid pleasurable release of neuromuscular tensions at the height of sexual arousal that is usually accompanied by the ejaculation of semen in the male and by vaginal contractions in the female.
So, even though you may have only burned 250 calories during your HIIT workout, the total calories burned after will be far greater. Those calories, plus the 250 burned during the HIIT workout surpasses the 400 burned during the slow, steady-state workout by a LONG, LONG way.
When you're training for a race and logging a lot of miles, do your best to eat 200 to 300 calories within 30 minutes of your workout. If you're into kicking your butt with HIIT, intense sprints at the track, or kickboxing, nutritionists agree: you need to refuel and recover with a combination of protein and carbs.