That night when Tails found Cosmo unconscious in the middle of nowhere, Tails knew she needed help.When Cosmo explained that she needed to speak with Sonic, she also didn't quite know why she was sent to Sonic's planet. As days and weeks passed Tails started to have feelings Cosmo, but then Cosmo got a meaaege from her mother saying she could save the Galaxy. She finally knew what she came for. But she had to sacrifice herself which was hard for Tails, he had to aim the sonic power canon straight at her! It was done, Tails knew he loved her he never wanted to do what he did.