In my first startup now. The biggest thing I have learned is the roughness of the emotional rollercoaster. When things are going well, it is an amazing rush. Bu

In my first startup now. The biggest thing I have learned is the roughness of the emotional rollercoaster. When things are going well, it is an amazing rush. Bur when things are going wrong, the lows can be absolutely brutal. You NEED someone to provide support in these times. The best trait to have in a startup is persistence, because without it, you will want to give up during these times.