Well, already disappointed. Grammar incorrect: “… sign in.”
You forgot the WITH.
Please don’t disparage the most-utilized art form — language — by having no regard for its rules. When a real writer strays from the rules, it is his method of signaling something to the reader. Someone fantasizing that he is a writer would slap words down regardless, as noted above.
I mean, did Michelangelo grab any ole blue to paint the ceiling in the Chapel? With full sincerity, I would doubt that.