Jealous ratchet

After cybertron was restored ratchet chosen to stay behind on earth to protect humanity (creat a character) you and ratchet were close, you decide to go back to cybertron and help rebuild. During the time of rebuilding you would often face time ratchet just to see how he was doing on earth and tell him how things were going in cybertron. Knockout joined the autobots and became the new autobot medic, you and knockout started to becoming close and your daily calls to ratchet started being less frequent, ratchet began to worry about you, he took an unexpected and surprising visit to cybertron.