Continue living in your own home for at least a year' DO continue living in your own home, if you possibly can and you want to, for at least a year. It may take even longer than that for you to know what you want to do or where you want to go. DON'T blame yourself if you find yourself dwelling on his bad points. Equally, you may find yourself feeling angry that you have been deserted. DO try to have no regrets.
Life is cruelly full of 'if onlys'.
Alright, if only you had done this or that - but you didn't. This rests your mind. Be brave and try it. DO take your own time over sorting his belongings. Attempt it when you feel strong enough, in a few months, but don't go on putting it off forever in case they turn into 'holy relics'.