You'll find this hard to believe, but I've always been interested in ...
You may not believe this, but I've gone ...
You may not believe this, but I've ...
You will find this hard to believe, but I've already ...
As amazing as it sounds, I've never made ...
Would you believe, I've never had ...
This may seem hard to believe, but I've never liked ...
As amazing as it sounds, I haven't seen ... yet.
I know it's hard to believe, but I've seen ...
This may sound unbelievable, but I've ridden ...
You may not believe me, but I've never tried ...
You'll never believe this, but I've always liked ...
This may seem hard to believe, but I've been to ...
Believe it or not, I've always been good at ...
You may not believe this, but I've never been to ...
You'll never believe this, but I've visited ...
Believe it or not, I've woken up ...
I know it's hard to believe, but I've never ...
You may not believe me, but I haven't had ... since ...
Would you believe, I've never been able to ...
You won't believe this, but I've met ...
You may not believe this, but I've walked ...
This may seem hard to believe, but I've taken ...
You won't believe this, but I've just ...
This may sound unbelievable, but I've ...
This may seem hard to believe, but I've taken part in ...
Believe it or not, I've had ...
You won't believe this, but I've worked ...