Constrating with "However" and "Although"

(Although / However) he shouted loudly, nobody heard him.

I've read the book twice. (Although / However) I don' remember the name of the main character.

Although / However she is my sister, I don't look like her.

I was really tired. (However / Although) I couldn't fall asleep.

(Although / However) the tickets were expensive, everybody wanted to see the show.

She didn't go to the match, (although / however) she had bought a ticket.

The book was really thick. (However, / Although ) I read it in one afternoon.

(Although / However) she's only fifteen, she is famous in many countries.

(Although / However) we fight a lot, we're still friends.

There was a lot of food, (although/ however) just a few people were invited.

She continued the journey, (although / however) she was exhausted.

Cigarettes are expensive and dangerous. (However / Although) some people don't even try to give up smoking.

The street was crowded. (However / Although) nobody helped the injured dog.

I help him, (although / however) he never helps me.