(someone) is all about (something)
You can describe a philosophy that someone often talks about and emphasizes this way:
Mom and Dad were all about me going to college and studying medicine, even when I was just a little girl.
The marines are all about respect and loyalty.
You can also use "all about ___" to talk about something that you're strongly interested in, or something that you concentrate on:
These days, I'm all about cutting loose and enjoying myself.