By Next Friday

"How's your progress?"
"Still in progress. I'm running now."

"Are you feeling comfortable now?"
"Yes, don't worry."

"I'm still digesting and going to use my own simple English to express my thinking."

"Anything else you want to discuss with me?"
"I prefer to show you my product first by next Friday. You'll know what I understood and need to improve then."

"Ok. We see how then."