the best smiles are the ones you lead to 
therefore all is connected. Suffering stems from resistance to accept "that what is" (this is where I follow Mike again). Plants certainly have an experience (so they might feel pain) but whether or not they "suffer" ...
I guess...
the best smiles are the ones you lead to 
If we as members of the human race practice meditation, we can transcend our fear, despair, and forgetfulness. Meditation is not an escape. It is the courage to look at reality with mindfulness and concentration. Thich Nhat Hanh
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