HELP!! Hair problems go wer


So for the past months since i cut my haitsjust keeps falling off dramatically when shower alot of hair falls off and when i comb it . I have no bald spots but i need help what can i do ? Ive been trying to grow my hair out for a year and now im just so upset 😞 want my hair long and healthy . Ps . My hair its neck length . This is some of the hair when i comb just imagine when i wash it