Men are just like pipes : they are hard outside , but inside , they are full of "sh!ts" , lol .
"Personifying a bridge is kinda Fujoshi" . Fujoshi = Rotten Girl , who likes Yaoi / Gaaay stuffs .
At the end , that guy is doing a kabedon , but he is using his leg instead of his arm .
In the omake , that emoji is probably the robot from Borderlands games .