Teacher Letter About Wedding What Should I Say In This Letter?

What should i say in this letter? - teacher letter about wedding

my "friend" is married, and I'm writing a letter .. havent spoken to her in a few years because we just push their own ways. but I knew she had a big influence on my life. God has me and she always helped me and I felt better when I was sad. shes 10 years older than me and sorta had an unhealthy relationship, it was my dance teacher. and when we started, I changed my studies. but I wanted to thank you for an honest manner, as in writing a letter, because they do not know how much it meant to me.

I'm really bad in the text of the things I'm wondering if anyone any idea what had to say?

and by the way, I was not even the wedding invted enter the card and write password for my friend.

all the ideas we are very grateful! Thank you a ton in advance!