Kirsty has been treated with child and adolescent mental health services (CAMHS) up to 18 years of age.
It is one of the 25,000 young people in England who go to adult mental health services every year.
However, many young people seek a smooth transition and can end up months or even years without the treatment they need.
NHS England says it plans to address this problem by extending mental health care for young people up to the age of 25.
If you or someone you know has mental health problems, the following organizations can help you.
British users can watch more BBC Like Minds movies on iPlayer.
Produced by Tom Heyden, Laura Hearn and Naomi Pallas