Grounding, Friendship, and the Senses of Plants Mike's Multiverse

This week, Mike responds to the following questions.
Do plants have senses?
Plants May Not Have Ears, But They Can 'Hear' Way Better Than We Thought
Do plants feel pain?
Do Plants Think?
How can people have intimate friendships without becoming romantically involved?
If we encountered intelligent, alien life, what would it be like?
The Fermi Paradox - Wait But Why
Is there any scientific evidence to validate "grounding?"
This study was referenced in Mike's response.