Food affects the mind. For the practice of any kind of yoga, vegetarianism is absolutely necessary since it makes the mind more pure and harmonious.

There is neither Past nor Future. There is only the Present.

You impose limits on your true nature of infinite being. Then you get displeased to be only a limited creature. Then you begin spiritual practices to transcend these non-existing limits. But if your practice itself implies the existence of these limits, how could they allow you to transcend them.

The solution to your problem is to see who has it.

That is the ego which rises and sinks periodically. But you exist always. That which lies beyond the ego is consciousness - the Self.

Nearly all mankind is more or less unhappy because nearly all do not know the true Self. Real happiness abides in Self-knowledge alone. All else is fleeting. To know one's Self is to be blissful always.

We are in our Self. We are not in the world.