Mark married a woman named Alexa, and Luke married a woman named Mary.
Mark and Alexa have 4 kids, 2 sets of twins, and all boys.
The older twins who are 4 are Jack and Teddy, and the younger twins who are 2 are Carter and Corey.
Luke and Mary also have 4 kids although they have quadruplets.
The quadruplets Cole, Christian, Thomas, and Noah, they are 6.
Luke and Mark got used to being conjoined and have lived life as conjoined friends.
Max Mark's actual twin brother became gay and married the boys' friend Dean.
Max and Dean have 2 adopted twin boys named, Cameron and Joey.
Mark and Luke decided that they will always be stuck with eachother because that is what good friends do. Except in stead of being friends figuratively stuck together they are friends literally stuck together.