Why so Hard?

Do you ever wonder why life altering decisions are always the hardest decisions to make? i mean really they should be the easyest because it alters our life....and then when you do get the answer you have been praying for how do you become a selfless person to go after the guestion you so hardly prayed to get an answer for? i guess life is filled with guestions..some are never answered others are sometimes to hard to answer and most times i think we get an answer we didnt want to get. So the question i guess im asking is how to go with the answer you have recieved knowing i will be leaving all i love behind?