Not just a pretty interface Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email. Try different email subject line styles to find what gets the most opens. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Sit up straight. Want the loading time to be longer so we can spend more time together :) Don’t forget to add a short preview description to encourage people to click on your email.