..and with the strain of all the alternate endings, time protected itself by spawning many different time lines in which Missy, Kaethel, Yvonne, and Wendy got the Clark of their choice and lived happily ever after.
Meanwhile in the original timeline, Tank got tired of the woman with the bad haircut and left her for a bassoon player. That left Lois free and available for the next man who would never think to change her (even her hair)...