Meat Loaf - I'd Do Anything For Love (But I Won't Do That) what does he mean?

anyone know the meaning behind the lyrics, particulary (but i wont do that)

what is it exactly he wont do?

can't post it all here. but below is part of the lyrics;

http://www.lyricstime.com/meat-loaf-i-d-do-anythin...

(i'd do anything for love "but i won't do that" )

And I would do anything for love

I'd run right into hell and back

I would do anything for love

I'd never lie to you and that's a fact

But I'll never forget the way you feel right now,

Oh no, no way

And I would do anything for love, but I won't do that

No, I won't do that

Anything for love

Oh, I would do anything for love

I would do anything for love, but I won't do that

No, I won't do that

Some days it don't come easy

Some days it don't come hard

Some days it don't come at all, and these are the days that never end

Some nights you're breathing fire

Some nights you're carved in ice

Some nights you're like nothing I've ever seen before or will again

Maybe I'm crazy, but it's crazy and it's true

I know you can save me, no-one else can save me now but you

As long as the planets are turning

As long as the stars are burning

As long dreams are coming true

You'd better believe it, that I would do

Anything for love

And I'l be there until the final act

I would do anything for love, and I'll take a vow and seal a pact

But I'll never forgive myself if we don't go all the way, tonight

I would do anything for love

Oh, I would do anything for love

Oh, I would do anything for love, but I won't do that

No, I won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

Some days I pray for silence

Some days I pray for soul

Some days I just pray to the god of sex and drums and rock 'n' roll

Some nights I lose the feeling

Some nights I lose control

Some nights I just lose it all when I watch you dance and the thunder rolls

Maybe I'm lonely, that's all I'm qualified to be

That's just one and only, the one and only promise I can keep

As long as the wheels are turning

As long as the fires are burning

As long as your prayers are coming true

You'd better believe it, that I would do

Anything for love

And you know it's true and that's a fact

I would do anything for love, and there'll never be no turning back

But I'll never do it better than I do it with you. So long, so long

I would do anything for love

Oh, I would do anything for love

Oh, I would do anything for love, but I won't do that

No, I won't do that

No, no, no, I won't do...

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do that

I would do anything for love

Anything you've been dreaming of, but I just won't do...

But I'll never stop dreaming of you ev'ry night of my life, no way

I would do anything for love

Oh, I would do anything for love

I would do anything for love, but I won't do that

No, I won't do that