>>12459866my cousin lives in macedonia and he told me macedonian is like a bulgarian dialect 
2 or 3 years ago i was with my father in a restaurant in brno, my father pointed to another desk and told me "one is speaking Croatian, two Czech and one Slovak and they understand each other very well". 
what i have seen is that it doesnt seem too hard for you slavs to understand each other 
>>12459867i am scared to tell you too much, there is a lot of shit that could happen