Flexibility as a Perk?

[JulianLW]

Originally Posted by Wazowski

It is being quite difficult, because he is discussing that he might take the advantage, and then take an anti-talent, which would make the advantage free, and still allow him to keep the +2 bonus on several skills from Flexibility.

This is explicitly against the rules in GURPS.

Have your player read "Negated Disadvantages" on GURPS Basic 120.

Then tell them to stop being such a power-gaming munchkin.