It's one of my favorite, I've watched it three times over already (a couple years in between each watching lol) and every time it pulls at all the right heart strings for me.
Currently nothing much besides happy electronic mixes like this seem right as a personal theme song since I'm just pretty happy and content with not much going on xD But, mine is quite fluid too, so I'm sure it will change soon
Pumpkin and Angel Baby were common go-tos that my parents still use, but really there was such a wide range of nicknames they called me I can't remember them all.