The rock was likely thrown from somewhere on the street or sidewalk out front. Only the "thrower" will know why he/she did it.
Kinda surreal... and in the scheme of things, I'm very lucky.

Today is another sunny day - Lara, I'm glad we sent our rain your way - I'm doing the happy dance for you!
I have a busy day here at my computer and Chorus rehearsal tonight.
Have a great day everyone!
xo Addy