Author's disclaimer: I consider myself an amateur. Except for the rare times I'm told to write something for work, I am an unpaid author/poet/scriptwriter. What follow are my suggestions for fellow writers who feel their conversations could use some spice.
Author's warning: Vulgar language and explicit lesbian sex within!
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This guide is my attempt to provide some tips for livelier, smoother, and more readable passages of dialogue and conversation. The comparisons I made in the course of writing this guide are often meant simply to illustrate differences, not to suggest superiority or inferiority. I've organized this guide in a "situation-original-modified" format. Some of these situations have more than one possible modification.
01) Using multiple punctuation marks
We've all seen this kind of passage, I'm certain. It turns off many readers, but we have a few alternatives we can choose.
Original: "She looks like she's in her early twenties!!!!" Lydia protested. "Are you sure she's your mother??!! How could she be??? She's smoking hot!!!!"
David said, "Did you just say my mom's hot??? Tell me you didn't!!!!!"
--The most obvious change is to cut the number of marks and tone down the excitement.
Modification A: "She looks like she's in her early twenties!" Lydia protested. "Are you sure she's your mother? How could she be? She's smoking hot."
David said, "Did you just say my mom's hot? Tell me you didn't!"
--But supposing you're trying to build that excitement as high as you can--what then? Another way to change this passage is to mix and match your verbs and your punctuation.
Modification B: "She looks like she's in her early twenties! Are you sure she's your mother? How could she be?" Lydia exclaimed. "She's smoking hot!"
David gaped. "Did you just say my mom's hot? Tell me you didn't!"
--You've used question marks, highlighting the characters' disbelief. But you've used the words "exclaimed" and "gaped," highlighting the characters' energy. Readers tend to expect punctuation to agree with verbs. Mixing and matching can get them more interested in your conversation.
02) Using "said" all the time
Especially when characters are talking to expose the story, there will be times when conversations seem very plain.
Original: "Christine started it," said Sharise.
"Christine stole your panties first, I know. You didn't have to escalate it," said Colette.
"I think I did. She wouldn't learn otherwise," said Sharise.
"So you had to throw all her clothes in the pool and leave her locked in fuzzy handcuffs, secured to the handle of the poolroom door? That seems extreme," said Colette.
"I didn't know it was 'Bring Your Strap-On to Practice Day' for the swim team," said Sharise.
"You would have done it anyway," said Colette.
"...Yeah," said Sharise.
"That's why I have to give you a spanking with this hairbrush. Take off your shorts," said Colette.
--There are several ways to change this passage. One thing to do is to change the order of the words.
Modification A: "Christine started it," said Sharise.
"Christine stole your panties first, I know. You didn't have to escalate it," said Colette.
Sharise said, "I think I did. She wouldn't learn otherwise."
"So you had to throw all her clothes in the pool and leave her locked in fuzzy handcuffs, secured to the handle of the poolroom door? That seems extreme," said Colette.
"I didn't know it was 'Bring Your Strap-On to Practice Day' for the swim team," said Sharise.
Colette said, "You would have done it anyway."
"...Yeah," said Sharise.
"That's why I have to give you a spanking with this hairbrush. Take off your shorts," said Colette.
--If the passage is a dialogue (and this one is) you can simply skip the mention of the speaker once you've established the rhythm of the conversation.
Modification B: "Christine started it," said Sharise.
"Christine stole your panties first, I know. You didn't have to escalate it," said Colette.