StevieW
On the other hand, I've been within 5 hours of 100 in 28 days almost constantly for at least the last 3-4 months and don't feel fatigued, 'under pressure' or 'burnt out'. Like everything in life, it is what you make of it.
Just my opinion of course.
That's only 5 hours a day, which can be easily done in less than an 8 hour duty time. If it involves regular start times or doesn't involve super early or late starts or finishes and no time zone changes will be easy to do those hours without feeling fatigued or being under pressure.
Until we see your duty times, start times, finish times etc, your comments mean very little.