 But the persistence that it takes, and sometimes you hit real, real lows. You know, being an entrepreneur, what I tell people is the highs can be really high, but the lows are much lower than you'd expect. And, you know, sometimes you question your whole sanity at points. But I can't pick one for sure, but I've been there a bunch. Catherine? For your first startup company that you started out of college, what was it about and what made you want to start it?