You politely refuse, you have to get going.
From Reddit Choose Your Own Adventure
He nods, but looks somewhat disappointed. "Well, if you must," he says.
You stand up and thank him for his kindness.
"Oh, you're welcome," he replies. "You know, I got more apples than I can eat. Go ahead and help yourself to some before you go."
You thank him again and shake his hand before leaving. You stop in the orchard and pick some apples, carrying them with you to eat later. You walk down the small path back to the river, but, remembering the old man's kindness, you look around. He's watching you through the window. You wave and smile. He waves back, then vanishes from view.
