Want the loading time to be longer so we can spend more time together :) Keep your email subject line short and attention-grabbing. My day’s been ok, how’s yours? Sit up straight. Boost your email opens with a punchy subject line. [insert fun loading text here] A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Don’t forget to add a fun, relevant call-to-action button to your email.