If you respond instantly at any point during the day it can mean you’re not doing anything the entire day or you’re actually desperate for interaction. If you don’t feel secure in your relationship with someone you might want them to think you have a lot going on.

Also, some research shows being less available can make you seem more valuable. This article is related to business relationships but it’s the same principle. www.nytimes.com/…/benefits-of-being-scarce.html