"I suggested they try a similar idea for Valentine's Day and advertise, 'If she leaves you in 30 days, you can return the boxed heart,' but they haven't tried that one yet."
Boxed hearts "closed an opportunity gap" at Valentine's Day, he adds.
However, reports are lacking about the relation between the occurrence of surface checking and the climatic conditions for softwood squares (115 mm square green), although some authors have reported the amount of checking for
boxed heart of softwood during air-drying (Ebihara et al.