Personally I can think of few things worse. It sounds on the face of it OK. The reality I think would test most relationships.

I suppose the thought of setting up a business together that you are both passionate about and have different skills in different areas, therefore reducing employee salaries and both having the same goals must be quite exciting. To watch it grow and develop into your dream must be amazing.

However, most new businesses fail in the first three years. Not only would that put a financial strain on your family unit but as my old dad used to say, "When money troubles fly in love flies out."

Bedroom v boardroom

To get up together, go to work in one car, lunch together and meet clients together sounds almost too perfect. However, when you're back at home with candles on, a good bottle of wine and a good film do you really want to discuss the minutes of yesterday's meeting?

Personally, I would set relationship guidelines. Like no more shop talk after a certain time. Also, delegate specific roles that you stick to rigidly at work. Be prepared to accept that the boss (for use of a better word) at work is probably different from the one at home. If you're disciplined this could work. Both at home and work, delegate tasks. Write them down. This will reduce potential conflict. Sort by strengths and weaknesses. Not by glamour. For example at home if he cooks you wash up. At work if you do the accounts and he is better face to face with clients (even if it does mean fancy lunches) then delegate. Remember if it's a small business your roles can vary from day to day.

Working from home

According to government statistics the two of the most common reasons for couples divorcing are poor communication and financial problems. Which are also probably the two most common reasons businesses fail. Therefore take heed and pay attention both at home and work. To help with the work/life balance, if you work from home try to have one room as an office and shut the door at home time. Don't overspill into your home. If you work from offices and you can afford it, try to work in different offices.

Allocate time

A good idea to avoid bringing woes home is to allocate the last 30 minutes of each day to chatting about the day. Especially if something is going wrong. This way you have a chance of resolving it at work and it not interfering with your home life.

Finally try to meet up with friends as much as possible. This will encourage you both to talk about other things and indeed reduce the chance of you both becoming too insular. Never forget this was your dream and passion and in hard times remember you love each other. That's why you're doing all this - for a better life. For both of you.