I'm not one to masturbate, but...

Sunghwa • My name is Sunghwa. I'm wanting to learn more about managing my cycle.(:
I'm not one to masturbate, because I'm not all that used to touching myself down there, but my boyfriend says it would be good if I were to try it out at least once. He says it would help me for when there's times when he can be there to satisfy me himself. 
What I'm wondering is this: how true is this?
Thanks for the helpful advice.(: