Felix studies history with a focus on military history. What fascinates him the most about Pekiti-Tirsia Kali is its simple approach to complex situations.

The flow in Kali gives him the freedom he has been looking for in martial arts. He trained under Grand Tuhon Leo T. Gaje Jr. in the Philippines for several months and became certified to teach the basics of Pekiti-Tirsia Kali using the tri-v formula.