Aitor. His mom and my mom were in the same group of friends so us kids would sometimes play together. He got diagnosed with leukemia when he was 2 years old and he had to be hospitalized for the first time around that time.

After that, we'd play together once or twice a year, when he'd finished treatment and was feeling well enough, before he eventually got worse again and had to go back. We didn't hang out much because of it, but I vividly remember thinking he was the nicest kid I knew.

When he was 4 he had to move to the other side of the country for treatment. We started sending each other letters. I never saw him again. He died when we were 6.