when mermaid loves shark

when she does....can she live??
they have a different world...a different thinking, culture, friends....a different life
but they're in love so deep.

a shark is a great one who live in the water world....he can swim over the ocean, and go averywhere he want to...he has a lot of knowledge about life becos he can do everything he likes...he's enough strong to be a leader.

but...

when he meets mermaid.....he saw another person who live in water world..she had no knowledge about world becos she could'n't swim over the ocean, she never saw a world..she only made a friend with another mermaid....she was so weak but she had a soft heart that could touch shark...

why??