Personalized I Love You Most Ardently Youth T-Shirt. I Love You Most Ardently Youth T-Shirt - Heather gift. Jane Austen fans will love I Love You Most Ardently Pride and Prejudice design. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.