homlesness in the uk

1) There are many homeless people dealing with addiction issues-drugs,alcohol.
2)There are some homeless people that were abused as children so they do not feel safe in a closed unit.
3) There are the young teens out that were sexually assaulted at home and feel safer outside with others.
4)There are those that prefer living outside on the streets and do not want a home.
5)There is a percentage of homeles peopele that are mentally unable to hold a home long term.