I'm excited about going back to 'Today,' but, at odd...

I'm excited about going back to 'Today,' but, at odd moments, I'll grit my teeth in anxiety. I feel like a student before the start of school. I've got my new shoes and my book bag, but I'm not sure I'll remember how to do trigonometry. During my maternity leave, I haven't used many words of more than one syllable.