On the front of this card, you'll find a captain's hat and aviators that can only mean one thing: a love letter to an airline pilot. The card reads "Captain of my heart - PS keep the hat on," and the recipient is sure to get a kick out of it. They may be used to flying commercial planes, but they've just gained a co-pilot for life! The sender promises to be a faithful passenger, following the captain wherever they go (as long as there are no layovers in Cleveland). They'll even bring their…