Stooping by woofs on a snowy evening

well basically he is talking that he is a person who watches the snow and the horse would represent society and he says that he needs to go on before he dies it has an imperfect rhym then it shows the snow and woods which represent the nature when he says the woods are lovely and deep means that he would like to stay in there and watch a little more but he has other things to do and miles to go for.T...