Cosmos

Alien who managed to get stuck on earth as a kid. He’s lived almost exclusively in his human form the almost entire nearly 30 years he’s been on earth and none of his clothes are suited for his alien form as a result.
He sells insurance and he’s dating a firefighter and manages to keep the secret until one day his house (which is just the space ship he and his mom crashed into earth on cobbled into a home over the bay in a city) suddenly explodes and sinks into the bay. After running into the burning building to save his deceased mother’s belongings he has to come clean to his boyfriend and best friend about his true identity and work through his problems regarding his identity and culture and where he belongs