We have again a chance of happiness.

We will not throw it away a second time.' 'You seem to forget that if you are free I am married.' 'What a marriage?
Call it a mad adventure.' 'That may be,' she said bitterly.

'But it doesn't alter the fact that I did care very much for my husband.' She brought out the last words with difficulty.
'DID care.

You put it in the past tense.

You don't care for him any longer.