Their friends like Danny could be involved. Danny might be Steve's best man and he could give a really funny and heartfelt speech at the wedding. Also, Chin and Kono could be there as well, helping with the preparations and being part of the bridal party.
One possible plot could be that they have a small, intimate wedding on a beach. All their close friends and family are there. Steve might be nervous at first but seeing Catherine walk down the aisle makes him feel calm and full of love.
Another interesting one is 'Married Bliss'. In this story, the author explores how Steve and Catherine deal with family and friends after getting married. It's full of interesting dialogues and interactions that give a great insight into their married relationship.
In the context of this fanfic, Catherine Rollins and Steve are likely characters created by the fanfic author. They could be original characters, or they might be based on existing characters from a particular show, movie, or book. Without more context, it's hard to say exactly who they are other than two individuals whose relationship is central to the story where Catherine makes Steve cry.
Since we don't have more context about Steve and Catherine, we can only assume that their love for fanfiction means they are part of the vibrant fanfiction community. Fanfiction can be a great creative outlet, and they might be involved in sharing their works, discussing their favorite stories with others, or simply enjoying the vast array of fan - made content available. They could also be inspired by different works of fanfiction to create their own unique stories or interpretations.
One common theme is the joy and anticipation. Steve and Catherine are usually shown as being very excited about having a baby together. Another theme is the support they give each other. For example, Steve might be extra protective of Catherine during her pregnancy.
Another common theme is growth. Both Steve and Catherine grow as individuals. Steve might become more patient and Catherine more confident in her mothering skills. There are also themes of friendship, as their friends play important roles in their new family life. For example, helping out with babysitting or just being there for emotional support.
Given that there are so many types of fanfiction out there, Steve and Catherine could be into adventure - based fanfiction. This type often takes the characters from an original work on exciting new quests or challenges. Or perhaps they like romantic fanfiction, where the relationships between characters are explored in more depth and often in different scenarios than in the original work. Another possibility is that they love mystery - themed fanfiction, where they can follow along as the characters solve complex puzzles or crimes.