All opening moves were the same, like in chess. You don't have to come up with anything new, there's no point, because you're both after the same thing anyway. The game soon finds its own way and it's only at that point that you need a strategy.

The scene was set. All that was required was an action, a cold start, instant and brutal as beginnings always are.

With a little effort, she could get up by herself

Do you really like studying?" Mattia nodded. "Why?" "It's the only thing I know how to do," he said shortly. He wanted to tell her that he liked studying because you can do it alone, because all the things you study are already dead, cold, and chewed over. He wanted to tell her that the pages of the schoolbooks were all the same temperature, that they left you time to choose, that they never hurt you and you couldn't hurt them either. But he said nothing.

...finally her hands, so light, holding his head still and catching all his thoughts and imprisoning them there, in the space that no longer existed between them.

All Mattia saw was a shadow moving toward him. He instinctively closed his eyes and then felt Alice’s hot mouth on his, her tears on his cheek, or maybe they weren’t hers, and finally her hands, so light, holding his head still and catching all his thoughts and imprisoning them there, in the space that no longer existed between them.

Mattia thought that he and Alice were like that, twin primes, alone and lost, close but not close enough to really touch each other.