近いです←objective 近いんです←subjective, colloquial　　　　 痛い（ん）です　いい（ん）です　白い（ん）です　食べる（ん）です　食べない（ん）です　泣く（ん）です　話さない（ん）です Usually all those phrases would include some sort of speaker's emotions or emphasis more or less. It depends on the speaker. “駅まで歩いて五分だって？”　　”ええ、近い（ん）です” “なんか肩のあたりが痛い（ん）です” に in here has a bit similar function to と. In order to see the difference, I put two patterns. 1 パン（と）ミルク（と）卵　　　 It just describes the fact パン and ミルク and 卵. 2 パン（に）ミルク（に）卵 This is a particular situation. It describes making sure the things of the list you need. In this case, it's obviously for cooking. You looking at the list or real things and say, ”パンにミルクに卵 OK ! perfect ! " "Ah~ my wallet に my mobile に documents に my laptop, OK ! but I don't wanna go !