Clark watches Buffy as she suffers through relationships with Angel and Riley...then he comes to "wipe away all her tears". However, he still feels for Lana and when Buffy's relationship with Spike turns sour, Clark feel responisble
A vid showcasing a compillation of all the violence, steaminess, and...(well, te know) of Sunnydale and Smallville...there's, uh, an, uh...interesting Clark and Buffy scene around 1:05...