Why are people so afraid of some thoughts, they can't stand them to the point of getting drunk or committing suicide.

The way to live with thoughts, whatever they might be, is not to escape them but to listen to them together with all sound.

Thoughts can only make one crazy when one tries to escape them (which isn't even possible),

There are no scary thoughts.

Moreover, thoughts are never actual, they always concern the past or the future, never what is.

One cannot think about what is just happening. The perception of what is, which is called Unitary Perception, is too big for thought to enter.