He saw you.
He wanted to know you.
He talked to you.
He asked your number.
He felt happy when he got it.
He texted you.
He became your friend.
He visited you everyday.
He liked you.
He wanted you.
He courted you.
He chased you.
He gave you flowers.
He gave you chocolates.
He gave you teddy bears.
He gave you balloons.
He showed sweetness to you.
He showed sincerity.
He had you.
He made you feel happy.
He made you feel important.
He made you feel special.
He was so romantic when with you.
He loved you.
He always said forever to you.
He showed kindness.
He shared so many happy memories with you.
He got bored.
He got tired texting and calling you.
He found another.
He broke up with you.
He left.
He broke your heart.
HE IS HAPPY WHILE YOU ARE COMPLETELY BROKEN.
That's how it goes.