Most Helpful Guy
Well, nobody likes a person who doesn't respond fast and then you said you forget to reply and that is definitely not good. What you can do now is apologize to him for not responding on time, however if he is a person who is particular about communication skills and responds quickly then don't expect him to accept your apology, but yes you can try no doubt.0THIS IS NOT RELEVANT ANYMORE
Most Helpful Girl
"Waiting too long" and "forgetting to reply" are two different things.
I feel like he likes you, you don't seem to like him in that sort of way. I would apologise. Maybe set up another hang out. Something you should organise. If you feel any remorse from that situation. It's the effort0THIS IS NOT RELEVANT ANYMORE