to add more to this, it's like you doing Ramadan once and claiming you're muslim, or praying for one month and claiming you're a christian. we as people define ourselves and how people see us, we use labels to establish niches and to find targets. if i say i am "gay", i immediately attract people that also find comfort in that word. there are labels for everything. when searching for porn or sexual partners, labels become important to set guidelines and expectations.
i could have had sex with plenty of guys in the past, but if i prefer sex with females, i put straight on my dating profile and i am seeking a relationship with women, then as far as i define myself, i am straight