Car suicide....or at least i thought?

I knew i wanted to die...i just knew it...so i got in my car...went on the freeway.....parked my car right in trafic....i couple seconds latter....i saw a monster truck coming toward me...and i knew right then and there i was going to die.....it hit me, it really did....now...wat i didnt know, is that suicide attempts...you sometimes dont die...now.......im at a mental place cuz they think im psychotic...so obviously suicide attempts dont work out the way you want the to....now do they? you may end up dead...or where i am?