And here I thought I used 'really' too often.

"So my account still hasn't come through, so now I really have a problem because tomorrow I have a presentation and than I really need to log in."
"I can open your account manually for today, but I'm afraid you'll have to call back tomorrow for it to be opened again."
"But can you really not extend it for two days? Because I really need it tomorrow for my presentation, and this is a really big problem!"
"I'm very sorry ma'am, but even if I opened it for a month, the system updates every night, so it would be closed again by tomorrow."
"Are you really sure?"
"Yes ma'am, I'm really, really sure."

Because sometimes you need to make really, really extra sure that the urgency of your problem is acknowledged.