回复：很矛盾，希望哥哥姐姐们帮我出个主意。

sometimes, no news is good news. he might be out of town on a business trip, and there is no cell phone receiption at his present place. i went to a retreat for a few days with no receiption and internet access. it's possible. you might be killing yourself over nothing. sit tight. wait a few days, and contact again. or call his relatives or parents or friends.