He’s 7 years old and last month his brother, who he’s been with all his life, escaped and was eaten by a fox. The rabbits have always had a large shed and then a series of runs joined with tunnels. They’ve been very self sufficient and despite trying a lot when they were younger have never displayed anything other than wariness towards people.
Since rabbit 2 has died rabbit 1 has been frantic. Running round and round his loop of the run, banging his feet noisily and making his run to the point he’s got cuts all over his face. He’s obviously very distressed 
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I’ve been spending an hour or so a day sat in his shed with him. He seems to calm down when I’m there and does at least eat while I’m in there but still won’t let me touch him.
I really don’t want to get another rabbit. I just see us being in a cycle of forever having rabbits. Although I’m glad I was able to give my rabbits a good life I didn’t enjoy having them as much as I’d hoped and they were a lot of work and very expensive to buy all the sheds, tubes runs etc which need to be replaced as they inevitably rot within a couple of years. We have chickens but whenever I’ve let them all loose together the chickens have pecked the buns. I may try moving the shed though as possibly just having the chickens to watch might calm him slightly? I can’t bring him indoors as we have a house cat who will kill anything that moves.
I’m very reluctant to rehome him as it seems very rare to find rabbit owners who actually give them enough space. Even the space at the local rehoming centre given to each rabbit is tiny.
Wwyd? Please be gentle, I really am trying to do the best for him.