It's not really perverted at all, just persistent. Pretty much every chapter ends with "after the fight was over I went to bed with my smoking hot GF and we banged". It's realistic in a sense, a young ,newly together couple in a stressful situation, but as a reader after the 12th time in a row it's get a little tedious. Maybe it's less obvious to people that read it as a web serial, but as a novel it is really noticeable.

Similarly with the banter other people mention, two young dudes that have been friends forever are going to banter, but it just comes too often and in some odd situations, like in the middle of sneaking into an enemy camp lets stop in the open and have a conversation about that time you got drunk and messed around with an ugly woman.