someone help no negativity 🙄

can someone try help me and give me advice on how to deal with a know it all and a judgemental person .. i love this person to death and i don’t wanna leave them but they always have something to say that makes them think there right even if there not ! and it gets to me so much this person can also be so judgemental and i just i hope one of y’all could help guide me through on how to handle things like this ??

NO NEGATIVITY PLEASE !!