...37.5 hours office job?
...in some countries you are looking at 42 hrs a week on the "economy" worker level with no hot coffee at FL410 and time to read the news in the cruise...
.."business" level looking at 50+...while "first class" at 70+ with a 6/1 schedule and a pile of todo items on your desk when back on Monday...
...been there, done that...
...and your problem with 5/4/5/3 is ...?
FI