She promised to love him forever.
He regrets wasting money forever.
I regret not preparing well forever.
We regret losing our temper forever.
He regrets quitting too early forever.
We regret ignoring the warning forever.
They regret missing the chance forever.
They regret breaking the promise forever.
She regrets trusting the wrong person forever.
That day will remain etched in my memory forever.
I am forever grateful for what I have learned from each of you.