How does Abigail behave toward John Proctor? What can we gather about their relationship?

Abigail acts familiar with Proctor. Her body language and speech alert us to the fact that they once had a kind of relationship...... and that Abigail would like it to continue.

Abigail: Oh, posh! Winningly she comes a little closer, with a confidential, wicked air.

A trill of expectant laughter escapes her, and she dares come closer, feverishly looking into his eyes.

Abigail: Give me a word, John. A soft word. Her concentrated desire destroys his smile.