Masturbate

So I just masturbated for the first time by myself, I’m 15 so thought it was time. And it took me ages to get like going till I saw one of my friends bikini photos 🤦🏼‍♀️ recently found out I was bi and yea I’m fine with it now but any tips how to like make it better 🤷🏼‍♀️😂