try not to be afraid, it will be hard, even for someone who uses DMT a lot there is still a nervousness that comes along with it.  I find that if i really relax and put on some calming music and smoke a bowl and meditate a bit before that it really helps the experience in its entirety.      Also use a machine to smoke it out of, very easy to make, there is a thread on it in the general discussions.  And SMOKE AS MUCH AS POSSIBLE.  I cant tell you how many people are like "i just want to get a little dose first to get the feel for it."  A low dose of DMT can be wonderful but more often than not i find it unpleasant and it deters many from going for larger doses, BREAK THRU is the goal here, i think most people will agree with me.    GOOD LUCK