From The Art of Mental Training by D.C. Gonzalez:

“Anxiety can only exist when one allows one’s thoughts to wander from the present moment and to an uncertainty of the future or some remembered failure of past.”

Similarly, from The Power of Now by Eckhart Tolle:

“All negativity is caused by an accumulation of psychological time and denial of the present. Unease, anxiety, tension, stress, worry – all forms of fear – are caused by too much future, and not enough presence. Guilt, regret, resentment, grievances, sadness, bitterness, and all forms of nonforgiveness are caused by too much past, and not enough presence.”

In other words: when anxiety creeps in or you are experiencing a bout of the dreaded Sunday Scaries…take a moment and observe what your thoughts are focused on.

From Tolle: “You are projecting yourself into an imaginary future situation and creating fear, but there is no way you can cope with such a situation because it doesn’t exist.”

Stay present.