11. "You hit the nail on the head."
12. "I'm aligned with your perspective."
13. "I'm of the same mind."
14. "I concur with your opinion."
15. "You've expressed it perfectly, and I agree."
16. "Absolutely, I agree wholeheartedly."
17. "You're spot on."
18. "I'm in agreement with your assessment."
19. "Count me in."
20. "You've articulated my thoughts exactly."