Vin Diesel's tips on convincing people you are starring in a serious film
1. Do voice-overs in a serious voice. Think documentary narration.
2. Wear lots of long-sleeve shirts. Who can take you seriously when you've got those guns on display?
3. Sport rather unfortunate facial hair for most of film in order to illustrate your mental distress.
4. Spend lots of time staring meaningfully at ocean.
5. Cry at least a couple times.
6. Two words: teary man-hugs.
7. End with touching grave-side speech.