Iv got to start course work nd i want to work with animals but i know i dont hav what it takes to be a vet and?

i cant budge the felling of working with animals, caring for them but i just know that i cant get the right grades to be a vet is their any other good paying, enjoyrable animal jobs or any other good jobs because i have no clue, if i cant work with animals liturally! pleseee someonee