My 14-year-old male Labrador is lying outside in the grass, unwilling to move. He has not eaten this morning and was behaving oddly yesterday. I'm concerned that he's at his final moments, and I would love to bring him somewhere warm. I've tried calling to him, rubbing and hugging him, coaxing him with food, and using his walk chain which, even in his elderly years and at the height of his hip dysplasia, he would always leap for. However, I don't want to disturb him as I've read that some dogs prefer to be alone when they're passing. But when I look outside and see him wallowing alone in the rain, my heart breaks. If feel like a horrible owner. I don't know what to do. Please advise me.