They never do. I had to lie to the missus and say I'd sell the FireBlade after I bought the R1. As if 
Bet she's one of those who sits behind a truck on the motorway too?
Abso-fucking-lutely.
Tell you a tale. This was about 12 years ago when our youngest was a baby and eldest 4 or 5. We'd taken her mum & dad for a meal near Stretton and the arrangement for the journey home was that she had the kids in her car and would go straight home, and I'd take her mum & dad home. We joined the M56 at j10 and I'd explained to her when we set out that we'd be coming off at the next junction onto the M6 north (then off onto the 62). As we join the motorway, her right behind me, I'm immediately behind a vintage car doing about 40mph in the inside lane. There's plenty of space for us both to overtake and I do just that. She doesn't. I've accelerated to about 65 and am looking in my rear-view, but she doesn't pull out to overtake (but two lorries have since overtaken her and the slow vintage car and pull in behind me). I ring her (handsfree). Voicemail (find out later the battery was dead cos she'd forgot to charge it). The exit's looming and still no sign of her, but I reason the simple fucking instruction to exit on the first exit that I gave not 15 minutes ago will still be in her head. I slow down, hoping to see her. Don't see her. I can't exactly stop and am going as slow as I can. Just as I reach the point of no return I see here. Still dawdling at 40mph behind the the vintage car.... going straight past the fucking exit. The in-laws are giving me all kinds of shit for not waiting for her. I had to floor it onto the M6, come off at J20, double back, get onto the M56 east. Can find neither sight nor sound of her and figure she's sussed she's missed the turnoff and will come off the next one, so I do likewise. Nope. All I can do is head home.
Over an hour and half later - an hour and half of serious panicking by me - she rocks up. And, of course, it's all my fucking fault.
When she calmed down, she explained she didn't see me turn off, doesn't remember me telling her to take the first exit, began to panic, and ended up coming off near Manchester Airport. Saw a sign for Warrington & Liverpool and took that on a whim, then one for here when on the M6 and came down the East Lancs.
Kids had slept through it all in the back.
To this day she won't have it that she should have just overtaken the fucking vintage car and kept behind me.
