"Triggers can be quite diverse, appearing in the form of individual people, places, noises, images, smells, tastes, emotions, animals, films, scenes within films, dates of the year, tones of voice, body positions, bodily sensations, weather conditions, time factors, or combinations thereof. Triggers can be subtle and difficult to anticipate..."
Can you imagine, alone, how many possible bodily positions there are? And are you aware that there are ~11 million species of extant animals? These are, of course, rhetorical questions.
And you want me to try and anticipate all these hundreds of millions of possibilities every time I (or anyone else) makes a blog entry? Seriously?