Main reasons: family & friends, religion, and media.
Not much to do. All you can do is ignore it. If someone does it to you? Punch them in the face or flame them until the sun comes up.
Kimi wa ne tashika ni ano toki watashi no soba ni ita
Itsudatte itsudatte itsudatte
Sugu yoko de waratteita
Nakushitemo torimodosu kimi wo
I will never leave you