Inside the PvP Skills menu, you can update certain passives that help you during PvP matches.

Glamour, Style, Passion and Endurance boost the Score for each of the color orbs, ( Yellow, Blue, Green, Purple).  The Boost increases the value of Power Ups during PvP sex dates.  The items required to boost these are gained through regular PvP gameplay.

The "i" button to the right side of each bonus, will describe by how much it increases and which of the orb it represents.