Comprehensively answer this question.

Thomas and his wife decided to join their local gym because they wanted to keep healthy. The gym gave women concessions and allowed them to pay half price while men had to pay the full price. When Thomas complained, he was told that the gym operated this concession to help women who were likely earning less income than men. Thomas was not happy about this, his wife in fact earned more than him. Thomas has come to you for advice.

Advise Thomas.

Tips: Consider the following: Equality Act 2010 and James v Eastleigh Borough Council [1990] 2 AC 751. Support your answer with more cases.