If your boss says, "I like you," it's essential to respond professionally and appropriately. Here's a suitable response:
"Thank you for your kind words. I appreciate your positive feedback and value our working relationship as well. I'll continue to do my best to contribute to the team and the company's success."
This response acknowledges your boss's statement in a gracious manner while reaffirming your commitment to your job and maintaining a professional tone. It's essential to maintain a respectful and professional relationship with your boss, and this response reflects that attitude.