When you find the answer, let me know (smile)

Seriously though, it’s a complex question with equally complex answers.
If I had to narrow it down to a single answer, it would be “because now is the right time” or “it’s meant to be”

You live in a world where we are always looking for meanings to things in life. You have more questions than answers. You live in a state of needing more.
These are essentially the answers to why.