I grew up being exposed to Nichiren Buddhism, which is of the Mahayana tradition, through my mother. So I never really "chose" that, but it is what opened the door to all of this for me.
Because of my status as someone in recovery from substance abuse, and because I've always disliked organized "religion" of any kind, I prefer to simply practice the Dharma secularly (through a Sangha/fellowship like Recovery Dharma). No strict tradition. No organizational structure. No figureheads. Peer lead Buddhism, using the Dharma like it's a computer programming manual for your brain and life.
That's the way I incorporate Buddhism into my life.