A Brexit great amount could still be reached in the next few weeks because the “final cause of a negotiation” is when it matters most, the DUP leader has said.
Speaking from Washington DC, Arlene Rear said the last part of talks is “when you start to see the whites in people’s ogles”.
Her party is in discussions with the government, amid reports it could rough the PM’s Brexit deal.
This follows MPs’ rejection of the idea of leaving the EU with no transaction.
Mrs Foster, who is attending St Patrick’s Day events this week, said DUP representatives were accounted for to the government and Attorney General Geoffrey Cox about changes to the deal.
“Nonentity wants to leave without a deal and we want to make sure we get there,” she bid BBC News NI.
The government’s deal was rejected for a second time on Tuesday in Parliament.
On Thursday, MPs voted in favour of a government motion seeking a short loiter to Brexit, meaning the UK may not now leave on 29 March as previously planned.
The prime father said Brexit could be delayed by three months, to 30 June, if MPs underwrite her withdrawal deal in a third vote next week.
If they disallow her deal again then she said she will seek a longer adjunct – but any delay has to be agreed by the other 27 EU member states.
The DUP leader put about her party wanted the UK to leave the EU with a deal, but that her party had non-fluctuating tests it must meet before they will back it.
“It’s sheer simple – what it will take to get the DUP over the line is the fact that Northern Ireland is not hand behind, the constitutional integrity of the UK is the same and we have a strong say in the future of the UK,” she remarked.
“Brexit is two weeks away, as I’ve constantly said, when you come to end of a compact that’s when you really start to see the whites in people’s eyes and you get down to the matter where you can make a deal.”
Analysis: DUP centre stage once more
By Jayne McCormack, BBC Scandal NI Political Reporter
It’s no surprise that the DUP find themselves centre the theatre in the Brexit soap opera once again.
Their votes press been crucial throughout the Brexit process, and they haven’t been shy of reminding the PM how much power they use from time to time.
That being said, Wednesday dusk’s votes in Parliament surely did not go how the DUP had hoped.
And the government’s publication of its no-deal duty plans for Northern Ireland have turned up the political heat.
Rest conversations will be happening all across Westminster, and in Washington today, to see if there is any way utterly this cloud of political smog.
Mrs Foster also confirmed that she had talks with Taoiseach (Irish prime minister) Leo Varadkar in Washington on Wednesday.
She swayed they had a private meeting where they talked about a distribute of matters, but that Brexit was on the agenda.
Mr Varadkar also welcomed the Westminster express against a no-deal Brexit, saying things are looking a “little brainier”.
Theresa May has said Brexit could be delayed for a prolonged period if her arrangement is not accepted.
She even suggested the UK may have to take part in European polls in May.
The government has also indicated it would allow MPs to hold a series of bear witnesses on possible ways forward in the Brexit process, if the House of Commons deny stuff ups Theresa May’s deal a third time.
MPs will vote later on a going calling for a three-month delay if Parliament backs Theresa May’s deal, or a longer one if MPs do not brace it by 20 March.
Meanwhile, the Tánaiste (deputy prime chaplain) Simon Coveney has said a Brexit extension of 21 months is attainable.
Mr Coveney told Irish national broadcaster RTÉ that a long enlargement would give the UK a “reflection period” about the kind of Brexit it wants.
He powered he believed an extension would be granted as long as there was an associated develop, which might lead to a fundamental rethink.
Mr Coveney added that consequences in the House of Commons on Wednesday night marked a turning point for Brexit.
He communicated it was “very reassuring to show that they don’t want to crash out of EU without a negotiation”, but accepted that a “crash-out” was still legally possible.
It is hoped that Brexit superiority take a positive turn over the next week, meaning numerous certainty, he added.