Well this is an easy test to start since I can choose any of the four because I do none :-)
actually I fell on my be here got me reading again. And I shall take your advice on all four or at least try.
You sound at peace.
I am glad
For me, meditation is the key to the success of the others.
There are free apps if you have an iPhone, iPad or smart phone.
Insight Timer (what I use)
Calm