Agreed, the danger is to sit down when you get in. My advice is to say hello to the family and then get straight out running or turbo......when you've finished that you can have the conversation & tea.
You may actually find that 2 weeks of not being able to bike & swim means you are re-motivated when you get back...and it puts some real fire-in-your-belly to nail your next few rides etc.
Just use the time to thrash yourself on your running. Simple!