where has my friend gone

i am worried people of similar worlds i talk to iamlonelyallthetime on here on a daily basis and a few day ago i was talking to him and he was complaining of not feeling well he has been like this a for a while now on and off and been badgering him to seek advice he has i think last time i spoke to him he said he had a temperature and since then for the last three days not had a dicky bird from him as he is on here when no one hundred percent rain hail or shine i am very concerned for his welfare 😔