I’m worth the wait Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. Want the loading time to be longer so we can spend more time together :) Test, test, and test again! Make sure your email looks good on all devices before you send it out. Get creative with emojis in email subject lines to increase open rates! Try different email subject line styles to find what gets the most opens.