is the nozzle on that "faucet" adjustable? Looks like you might need to be in the "on your mark" track meet position to get it to do it's duty.
Yes, the nozzle it adjustable.
Alwys have lots of fun with that marvellous invention! (if one is raised in the UK or Germany, the use of bidets is not common, they're rather more typical of some medditereanen countries).