Dear [Managers Name],
Please accept this as my letter of resignation my last day will be [date/effective immediately] .
[Paragraph on things you did that made you "proud" if you might work there again/professionally bitch about how shit things are if you will never work there again/leave blank]
[Thank you for the opportunity to work here and I wish you all well/leave blank]
Kind Regards,
[Your Name]
The thing is you can smell yourself. I can smell when I stink. How can you not notice that rancid smell following you is you?