You are a stranger, you can't be nice

Aleena moved away from the window side seat and took out a book from deep inside her bag, as the train started moving from the station. She has had the book with her for a while now, her tough schedule kept her away from it for most of the time. After making a mental note to finish it before getting home, she sank into the book.
She barely noticed the middle aged man limping past her and throwing himself onto the single window side seat in very next compartment - facing her. It was a while after she glanced up and saw this man. He had a large forehead blemished by the scar across his left eye brow, and his shirt though appeared clean was all wet from sweat. He appeared uneasy and was looking out into the nearly fields through his deep sunken eyes.

When did he get here? I was sure no one was there when the train left.

She glanced around, there werent many passengers around, and her attention again feel on this man who was looking directly at her now. His cold stare made a chill run down her spine. She was never comfortable with strangers, but this was far worse. She instinctively turned away.

God! He is staring at me... Should i go and sit with someone else?

She tried to concentrate on the book, but she couldnt take her mind away from those staring eyes.

Who is he and what does he want? May be i should talk to the TT about this...

She had heard about strange things happening in trains, trains with less passengers, trains like this.. drug addicts, child molesters, gangmen... Her mind found new and new possibilities and each made her heart sunk even lower.

The train came to a halt in a small station, and the man glanced out of the window as though searching for someone. Minutes passed by and he was still leaning out of his seat and looking, sweating even more and looking worried.
Just then a small girl probably 10 years, boarded the train. Without even saying anything to whoever who had brought her, she turned and looked around. The little girl saw the man sitting on the window side seat waving at her. With an innocent smile on her face she moved towards him.
Aleena didnt know why, but caught the little girl by her hand and turned her around.
" What are you doing here? and where are your parents?"
With the smile still on her lips, she turned to the man and said "... there." and ran to him.

She jumped onto him giving him a big hug.

"How is your leg,Daddy? and what did doctor uncle say?" she asked patting his right leg.

"Daddy is OK, sweet heart.. I can... I can walk." he said.

Looking at his leg she said "I love you Daddy" planting a gentle kiss on his cheeks.

She started talking about different things that happened to her during the day, the new friends she made, how she hated the gardener and so on. He smiled at her and some times laughed out loud just like the small child on his lap.

On the next station he stood up and started limping out.

"You can hold onto me Daddy, ill walk you out."

"Thats OK sweetheart, I can walk" he replied.
He saw Aleena watching the both of them, and smiled at her like a proud father.
She tried to force a smile on her face, but nothing came out.