It never selects the first word of next line for me.. Hmm anyway, while clicking at the start of the line, may as well just drag down to next line. :-)
Also, TIL that you can hold down CMD and drag over various words/letters on the screen, non-contiguous, then CMD-C copies them all to the clipboard. Must be handy for something!
Hmm yeah I never noticed that. Fastest way to select a line I know is: click at the start of the line, then Shift + down arrow.