Double Courts

I am playing ball on two different courts.

I am part of two different teams. I have sweated water and blood with them during training, and have been through the victories and the losses. They are my friends, and they are my family.

But I have missed important matches for both. I would be at one game: playing the key person, making the calls. That day would be a victory for us. The other team lost that day because of my absence.

For most of the season, the matches for both teams usually don't coincide. When they do, I make a calculated judgment call on which team needs me more. I have been wrong many times, and each time, I bring shame to my team, my teammates, and myself.

When the time comes, which the two teams play each other, will I have to choose a side?