exponential in T which produces an agent which effectively looks into the future proportional to its age so if it's five years old it plans for five years if it's hundred years older than plans for hundred years interesting and a little bit similar to humans - right and my children don't I had very long within we get the doll to a play I had more longer maybe when we get all very old I mean we know that we don't live forever and maybe then how horizon shrinks again so just adjusting the horizon what is there some