how do we treat you know adjuvant how do we treat breast cancer with aging therapy well we give them platinum or some you know some drug for some period of time and that's it well why don't we give you know a sequence of drugs why don't we take advantage of because we know for sure we're dealing with small populations and we know for sure that we can we can cause them to go extinct at least some of the time so why don't we optimize how we do this instead of simply pick up a drug from the shelf and and and administer it continuously you know for six months