Is it legal for a creditor to deny an applicant credit based on marital status or age?

I believe the answer is: NO, it is not

In 1974, the government passed The Equal Credit Opportunity Act to provide united states citizens with a more fair credit system.
Because of this act, it is illegal to not granting a credit based on race, color, religion, national origin, sex, marital status, or age.

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath.