Translation of "その後で" in English

After that, I was so regretful,

After that, I'll leave for Saigon.

Then she asked the trick question:

I studied for more than two hours, and afterward I went to bed.

Then Mike tells Hiroshi to fasten his seat belt.

And then just see what happens to white, cold, creamy, glug-glug stuff.

It was a terrible confusion; Sue slipped later in the water. They're all mad at you.