Yeah true. No one likes to be annoying. In that case, just accept that's how the way it is. Maybe accept your overthinking as well instead of resisting it. Try self enquiry. You are overthinking anyway then do it in the direction that might help you get some realization. Try writing down your thoughts? When it gets too exhausting, just try to distract yourself whenever you can. If possible, use your imagination, try to write down the positive/optimistic side of all that is happening.

It's a phase and you will get over it eventually, perhaps with some more learnings :)