TL;DR: Sayso has two parts — a webapp and a desktop app. After installing, you launch the Coach from the webapp or from the bolt icon in your tray.
ONE: From the webapp (app.asksayso.com): Click the Launch Coach button. The widget opens on your desktop.
TWO: From your tray bar: Look near the top-right of your screen where your time and wifi icons live. Click the ⚡ bolt icon, then click Launch Coach. The widget opens.
Your tray gets crowded fast. Hold ⌘ Command and drag the bolt to the right so it stays visible no matter what else is running.
If the bolt isn't showing in your tray:
To keep Sayso in your dock:
If the widget isn't launching or acts strangely, you're probably due for an update. Look for update notifications inside the app.
Your first step for any troubleshooting should be to completely quit the app and reopen it.