Tyler will be in your heart forever, don't you worry. Any friend that's been around for 13 years surely has taught you more than you realize. Above all, love. And the best part is, even through the pain, the love lives on. It outlasts the hurt, it has more endurance than the pain, and it sticks around even longer than the dog hairs that are woven into the fabric of your rugs and clothes, right? Tyler is happy and healthy again, and his heart is whole. Yours aches right now, I know, but the days eventually get better and then the nights do, too. He'll always be with you, right there in your heart, for those moments you truly need a friend.