Cantonese Affection

Does anyone know what Cantonese naming conventions are like? Mostly for peers, but affectionate....I know that Cantonese speakers often use the names for little/big brother/sister, etc...but how do you hmmm...would you add something onto someone's name to make it affectionate? Think like boyfriend/girlfriend type names....also, any words that are equivalent to honey/dear/sweetheart etc...

Thanks so much!