Hello Sosorry, and a warm welcome to the site.
It isn't appropriate for anyone to tell you off about having an untidy room, simply because they don't know whether or not that particular person is suffering from any type of mental illness and by condemning them, they don't realise what can happen as a result, instead, they could ask if this person would like some help.
What happens if they say no, they are OK, well as a gesture you could ask a couple of questions, like are you sleeping alright, when was the last time you ate and have you been to work, and it looks as though you have been crying, the answers to these will indicate how this person is travelling.
People who have been in this type of situation know exactly how this person is feeling and only want to reach out to them, so that they can be supported in many different ways and let them know there is also help out there to support them.
When you cry at anything, those that have been in this position know that this can't be overcome by yourself, it's just a matter of convincing you to see their doctor who can then begin the process for you to get better.
Hope you can get back to us when you're available.