Sounds like me a few years ago. I worked night duty, husband had taken the kids to the local football match, and i woke up mid afternoon to hear really weird noises on the back verandah. Peeked through the kitchen window to discover all five sows had decided the pig sheds weren't warm enough and my verandah was a much nicer option.
Do you think I could get them to go back ?? Not bl**dy likely ! Was a combined effort with husband, four kids and self when they got home.
The worst bit of all was that the toilet was on the verandah, and there was one sow I didn't trust and would never go into the pen with....
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“Life is not a journey to the grave with intentions of arriving safely in a pretty well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming ... WOW! What a ride!”