Teacher, I wish you health and happiness. How to say it in English, how to say it politely.

Dear teacher, hello, I hope you are in good health. Smile every day and happiness will always be with you. Best wishes, dear teacher, hello, I hope you are in good health. Smile every day, and happiness will always surround you. Blessing, so-and-so attention, there is no colon in English writing, use comma. I also wish your teacher good health. . .