"I wrote something congratulatory but then thought 'Kristen! Wait! You are an old married woman, shouldn't you Have some wisdom to share?!'" she wrote alongside the handwritten note. "After I was finished I realized what I wrote is pretty much the A-Z of how @daxshepard and I keep our relationship healthy. Its worked for us so far, So here ya go. â?¥ï¸ڈâ?¥ï¸ڈâ?¥ï¸ڈ #happyvalentinesday"