Thought I could get a bit of advice here on this. My JRT Charlie is about 8 years old hes a rescue dog and was passed pillar to post til we took him on as his current owner wanted him PTS if no one would take him.
Hes a lovely boy he really is, worships me follows me everywhere and is very very affectionate even with DD who can be a real pain, but he doesn't like men very much. He loves my DH and even looks for him if you ask him "Wheres Daddy?" 
However he can be quite grumpy with DH especially if told to do something he doesn't want to like going to his cushion or being sent downstairs. Its not growling more of a grumbling like a Mraoraorao sort of noise. I sound like a lunatic typing this I'm sure please bear with me. He tends to come upstairs to bed with me but then when DH comes upstairs to bed he starts grumbling as soon as he can hear him leading to him sitting on the edge of the bed complaining. It doesn't seem threatening in anyway and hes never snapped at any of us.
It is however starting to get on DH's nerves and as DH isn't a huge animal lover I really want them to be on the best terms with each other. I can tell they really love each other as they're soppy buggers with each other its just the grumbling and I don't want it to lead to anything worse.
Should I be concerned? Is there anything I can do to stop the grumbling bar not taking Charlie to bed with us which I am loathe to do after hes been so badly treated and I suffer with very bad depression and hes been my lifeline so often I want to give him my all back in return for his love.
Thank you in advance.