Is there a question or is this just a outpouring of memories during a thoughtful moment?
My bike takes up very little room inside my compact almost mid-size SUV. Usually if just one bike and two people with a couple weeks worth of stuff, I only have to take the front wheel off and drop or remove the saddle/seat post.
I have traveled with 3 bikes and 3 people and two weeks of clothes/baggage by removing both wheels, removing/lowering the saddle/seatpost and improvising a fixture to protect the RD.