Mistakes on trains and other places - micro fiction

Moments of living often hide a lifetime...

SPOTSWOOD STATION
"Now arriving at Spotswood."
Teresa could only glimpse the Newport stack before her eyes registered the back-pack. The Dark Man glided from the last train as the automatic doors slid closed. He had nowhere eyes.
"...Newport is the next stop."
More speed. She should tell the guard.
Oh well...

THE GOOD SAMARITAN
He sees her fall and breaks stride, running towards her. She lies on the cool, greening grass, her body a still-life. He freezes, panicking. Then training asserts itself. Kneeling, he positions his dark hands and rolls her prone.
The ageing white face spits venom: "What the fuck are you doing?"

NO WAY TO MAKE A FRIEND
With a sigh of satisfaction she got off the train. It had been an unmitigated disaster. All she wanted was to make a new friend but he wouldn't even listen. Well, he could stay that way - she had her now discoloured knife as proof.
It's true, she thought. They're all crazy!

THE PEDESTRIAN CROSSING
He was slight, wiry, determination creasing his sun-browned face.
She looked somewhat out of breath as they crossed at the lights. She had a gentle face and strong legs but she let him guide her
I watched as they walked away from me, their used bodies in unison, holding hands.