Hi and welcome to the forum.
If it is biting as high as you say then I am sure that you could induce clutch slip,
Depending on how the car is driven, will determine how long a clutch lasts
If you discover that your clutch is indeed on its last legs then I can help.
Check out the link below and feel free to pm me with any questions.
viewtopic.php?f=38&t=27436
Cheers,
Alex.