private void btnMate_Click(object sender, EventArgs e)
{
if (siOne > -1 && siTwo > -1 && siOne != siTwo)
{
Creature offspring = new Creature(creatureList[siOne], creatureList[siTwo]);
society.AdvanceAge(1);
society.AddCreature(offspring);
RefreshCreatureList();
SortCreatureList("Youngest");
RefreshPopulation();
}
siOne = siTwo = -1;
UpdateMateSelected();
}