I have a problem of overthinking.

I have a habit of overanalysing little things and obsessing over them until they become big and scary. like if someone close to me have their phone switched off, then i will think about each and every possibility of why their phone must be switched off and eventually i end up getting myself sad and weepy. sometimes there comes the point where i dont know how to stop my brain from thinking so much and its always the negative stuff and i get panic attack thinking that i will never be able to go back to the point where i didnt know that particlar scenerio exist. i make small pity stuff to get into big and bulky until my brain no longer handles that much pressure of thinking that a breaking point comes and i end up crying for hours.. i dont know if this is with just me or is it normal and happens with most of the people? should i consult a psychologist? thank you.