what does the exchange below suggest has happened between Beatrice and Benedick in the past? Don pedro:
Come, lady, come you have lost the heart is signor benedick

Beatrice:
Indeed, my lord, he leng it me awhile; and I gave him use for it, a double heart for his single one: marry, once before he won it of me with false dice, therefore your grace may well say I have lost it.

Don Pedro:
You have put him down, lady, you have put him down

Beatrice:
So I would not he should do me, my lord, lest I should prove the mother of fools