Hello there! Welcome to FIMFiction.

I see that Silver is already doing a great job at giving you some hints, but if you need any other help figuring out how the site works, don't be afraid to ask. I'm always happy to help, and we're all glad that you are here!

1984769 First of all, try using the Little Arrow in the upper right corner of the comment. That way, the person you are talking to will see that you have responded in their notification.
As for the emotions. See the Little smily when you write a comment? That's it.

Thank you how do I do those mlp emotions

Welcome to fimfic, fellow yugioh fan.