There is a percentage of guys that doesn’t reply quick to texts and chats, if your crush is typically that kind of guy but seems to be on the dot when replying to you, that’s a good sign. The fact that he swiftly replies means he’s interested or at least enjoys talking to you. A person wouldn’t just reply to someone whom they’re not interested in, right?
You would notice that if your message never encounter being unseen for more than twenty minutes. But if it does, sure you’d get an apology. A guy wouldn’t be worried even he left you hanging if you’re not that special. Well, that means that you really are.