How do you know when your having an orgasm?

Charlotte

I am a virgin and i masturbate regularly and I can get to a high point but I can't tell if I've ever had an orgasm or not and it confuses me and until I downloaded <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> I've been scared to ask someone please help 🙈