The fact remains that, unlike with many other professions, I cannot afford to take more than 2 days of holiday in one month.
Since when has being a flight attendant been classified as a "profession"?
Medicine is a profession. Qualification as a doctor takes six years or more of unremitting hard study.
How long does it take to become a flight attendant? Six weeks, more or less?
If the writer cannot "afford to take more than 2 days of holiday in one month" perhaps he should reconsider his continuing employment in civil aviation.
He has told us he has a first class degree in "philosophy and economis" (sic): why does he not use that to earn his living?