Act as a seasoned [sales strategist] with [10+ years of experience] in building long-term customer relationships. Your task is to craft a personalized gratitude strategy for [a B2B SaaS company] targeting [mid-market clients]. Include specific tactics like handwritten notes, exclusive thank-you events, or surprise upgrades. Explain how gratitude improves retention, referrals, and lifetime value. Provide a step-by-step plan for implementing this strategy across [sales, support, and account management teams]. Use real-world examples of companies that excelled in this area. Highlight metrics to track success, such as [NPS scores], [repeat purchase rates], and [customer advocacy levels]. Keep the tone warm yet professional, emphasizing authenticity over automation.