Partner wants to cheat

My partner and I have been going through some issues recently. I love him very much and dont want to loose him. I am 30 and he 24, the age has never been an issue before now. We have a house together, no children but lots of animals (to many haha). I stay at home looking after everything and he is away working a lot of the time. He has to spend half the week away and his job is very competitive. Its not made any easier as he has to virtually stave himself as his weight plays a big part of his job. As you can imagine his moods can some times not be great. Everything was great until recently when I have felt him become a bit distant. (Sex life is still great though) But he has become a bit emotionally detached. He has said the other day that he is not sure he feels the same way about me as he did before and he feels hes missing out on having fun as he is younger than me, and having a relationship and responsibilities at home is distracting him from his work. I think he has cheated on me while he has been staying away. I do feel we have got in to a bit of a routine with out excitement. Even if he has cheated I dont want to loose him. It probably is crazy but I kind of understand that he is young and he does need to live a little. (he was in a long term relationship before me). I really dont know what to do to not give him permission to cheat on me but to let him know I understand I know where he is coming from. Im in it for the long term. We have built a home together and a life and I would be devastated to loose it all. I want to be able to re kindle what we had before but I have no idea where to start. All I want to do is talk about it to him make him realise how upset this has all made me. But I know that is totally the wrong thing to do and will just drive him away. Please someone help me as I think this a quite an odd situation!!

I do not know much about this but here is some advice. If you are able to create alone time where you guys can take up some kind of activity that makes you guys grow together it surely would help. I don't know about your life styles or interests but T.V. isn't gonna cut it. Try enjoying the wilderness together go on hike, get in the habit of trying new places to dine out each week, do chores together even, anything fun that involves both of you would help I bet. Also try to introduce that intimate touching that is always part of relationships with good connections. Woman tend to show their care for a man or attraction by placing their hand on a mans chest running it down, if you guys go on a walk hold his hand and show him how happy it makes you to do it. Affection like this might help. As for talking about what has been going on I do not know of a way to do it besides being up front and honest. It is your life and your decision I think you should make it in the end.