Should I leave

So let’s break it down

This is my second marriage

Am only 30

And he is 16years older then me

When we first got together we where great love kisses then boom as soon as we got married he changed and not and a good way drinks everyday I mean everyday so to make this story short

I love him but Im not in love with him I love him like a best friend but not a lover how do I tell him that I don’t want to be his wife anymore

We moved to Texas from Detroit two years ago we have no family down here but each other this might break his heart but it has to be done Do you think I should let him stay and our home or asked him to move out I don’t hate this guy but I know if we don’t separate I will end up hating him then I know this divorce thing will get ugly I rather leave while we are still best friends I just don’t want to be his wife please help WHAT DO I DO