 Well, I'm sure he's joking about that. And I'm certain he doesn't think you're a flake. Still, he probably feels frustrated when he spends time and money to encourage you in your interests, only to have you drop them. You see, you have to count the cost before you commit yourself. Make sure you're acting for a purpose, not out of a whim. And have the discipline to stick with it. But my family is going to be disappointed in me tomorrow.