How to deal with a BF that is never home and always at work?

My BF owns his own resturant and is never home to help me. I has been this way since they were born. I haven’t been dealing with it very well because it seems to me that that is more important then me and the twins. He tells me its not but I really don’t beleive him. I am just looking for some advice on how to deal with this and how other families deal with one person never being around to help with the day to day stuff. Thanks in advance for the advice.