Pessimist:

If you love someone,

Set her free....

If she ever comes back,

She 's yours,

If she doesn't, as expected,

She never was

Optimist:

If you love someone,

Set her free....

Don't worry,she will come back.

Suspicious:

If you love someone,

Set her free...

If she ever comes back, ask her why.

Playful:

If you love someone,

Set her free...

If she comes back, and if you love her still,

Set her free again, repeat.

Biologist:

If you love someone,

Set her free....

She'll evolve.

Psychologist:

If you love someone

Set her free

If she comes back her super ego is dominant

If she doesn't come back her id is supreme

If she doesn't go,she must be crazy.