Okay, it's a 4x4 3/4 ton truck. Just keep practicing and don't worry too much about hurting the clutch. As long as you don't do anything really dumb like throw it in reverse while rolling forward you shouldn't do much damage in the time it takes to learn to drive it. Many of the newer vehicles are smart enough to kill the engine if the driver does something stupid.
Okay, it's a 4x4 3/4 ton truck. You can kill someone while learning to drive it. Practice in big, empty parking lots before hitting the road. You want to get proficient with the clutch before getting in traffic where your attention is supposed to be on other things like traffic. DON'T DRIVE UP ANY HILLS WHERE YOU HAVE TO STOP AND GO WHILE AIMED UPHILL UNTIL YOU KNOW WHAT YOU'RE DOING. A truck that heavy can roll back several feet while you're dinking with the clutch, crushing the hapless Aveo driver who pulled up six inches from your rear bumper.
Okay, it's a 4x4 3/4 ton truck. You can kill yourself while learning to drive it. If you're not scared the first time you go around a corner at speed then you're not thinking about the physics correctly. Be prepared to slow down significantly on turns. You are driving a short truck with a very high center of gravity. It really, really wants to roll over. Your job its to keep it from doing that. Also, watch your speed. Going fast doesn't feel all that fast, until you get smacked by a cross wind. Also, break early and plan lane changes early. Abrupt turns don't work well in tall vehicles.