How do I say this in Korean... I'm studying Korean because I like to watch Korean Dramas and also I like the Korean language. Thank you

마음에 들어요 vs. 좋아요 What is the difference? If someone send me a gift and ask me : did you like what I send to you? what should I use to say: I like it a lot, thank you. Thank you :)

how to say in Korean: "...then I'm gonna leave first" I hear this phrase a lot in dramas, like: OK, I'm leaving now, I'll leave first... and it sound something like: ka ta ool ke What is the exact phrase? and how to use it in a common language and in honorific? Thank you :)

How to say "You and me" or "Me and you" in Korean I heard few different way of saying it in K-drama, wich one is the right way. 너와 나 너 나랑 너랑 나랑 Thank you :)

How to say in Korean "See you later" ? and what is the meaning of "일단 보자"? I often hear it in Drama and the translation is See you later. Is it correct? Thank you :)

How to say: I made these cookies for you, I hope you will like them (I hope you will enjoy them). Thank you :)

How to say in Korean: I'm sure you are cooking well, or I'm sure that you're doing well at cooking. Thank you :)

What is the difference between 축하드립니다 and 축하해요 ? Thank you

How to say in Korean: Are you alone? I heard something like 혼자서? What is the different between 혼자서 and 혼자예요, and what is the different between the ending 서 and 요? Thank you :)