My gf is using this everyday in London and it cuts her commute time by 30%. Godsend.. but she's alone in the bus 9 out of 10 times. We've dreaded this day but k

My gf is using this everyday in London and it cuts her commute time by 30%. Godsend.. but she's alone in the bus 9 out of 10 times. We've dreaded this day but knew it would come. I'm about to tell her now. Crap!