It is very common to date many people over the years. If movies with a storyline on same-gender relationships or attraction towards multiple genders impress you more than the other genres, then you need to think more than once regarding your sexual preferences. The kind of videos you keep watching on YouTube denotes your mindset and what you look out for. YouTube watch History and movie preferences Some of the major signs are listed below. The sexual orientation of a person varies and develops as they grow old. Each takes their own sweet time in finding out their sexuality. There are no clear-cut signs that speak about a person's sexual preferences.