Hard work never killed anyone. The worse that will happen is you'll pass out and get a little needed rest. Someone told them work smart not hard. Work hard till you get smart, then work hard and smart. Let em see you sweat, good people admire hard work and tend to copy your efforts.
Hard work is fun too.
Frankly there isn't a better feeling than working hard all day and knowing that, when your head hits the pillow, you had a perfect day because you did everything you could. Be everyone's biggest cheerleader. People don't get inspired or motivated by money. People will do more for recognition than anything else on the planet. Never let an opportunity go by to tell someone you appreciate them.