Why is it soo hard to for a GIRL TO FIND a GOOD GUY?

hey im just asking cuase i was in this realtionship where i thought he was the best guy for me i mean i reallie thought hat until i was reported from one of my best friends he was cheating and lying and seseriously that hurted me so bad i just cried for days cuase i felt so sad about it until it hit me why am i crying over something that showed me i can do so much better with guys cause its reallie hard for me to find the good ones so where are yall at