Mistakes like these are common and it’s pretty funny when they happen for both of us. But it also helps us learn as well. This was when my Korean was still not very good (still not that much better now IMO), but I basically learned from Hyo a lot of the phrases I say almost naturally now.
Related posts on how to learn Korean:
Also remember that romanization is only a tool. Try not to depend on it too much. Learning the Hangul alphabet is the key to success!