Breast feeding issues

My 5 day old is breast fed but seems to have forgotten how to latch the other day i can get him for a few seconds maybe a minute at most i am so worried he wont be able to feed from my breast. He screams and fusses and just shakes near my nipple to the point i had to let him cry so i could pump a few ounces i try and try i dont know why he he screams when i am trying to help him latch onto my breast that i cry😭 anybody have any ideas or a few points to the right direction ftm and i have watched both my sisters breast feed and i feel helpless they dont even know what to do