Everyone Wants The Same Thing, One Person They Can Trust, No Matter What, That Won't Cheat On You!

Everybody wants somebody to love them, that makes everything else about life seem more worth living. But, it's hard to do it right and some people fail at it miserably.
Even though it's the most basic thing and we're made for each other to pair up by design. It's how we all get here.
So, why is it so hard to trust or be trusted?