Fortunately / Unfortunately

I went for a walk in the park on sunday...

Unfortunately, it so crowded with a people

Fortunately, i saw my best friend

Unfortunately, his went out with his girlfriend

Fortunately, i knew who's his girlfrend

Unfortunately, she is my ex-girlfriend

Fortunately, I succeed escaped from them

Unfortunately, I bumped into with a mad dog

Fortunately, I met a stick

Unfortunately, that stick was rot

Fortunately, someone has helped me drive that dog

Finally....that's person was become my friend forever. hehe:)