Yes. Use it or lose it. The "you" is understood.
Do not lose the money.
One way to use "loose" and "lose" in the same sentence is: "Be careful not to lose the keychain that has a loose connection."
She may lose the race if she doesn't start training soon.
Example sentence - He would lose the only woman who ever loved him for himself.
i was vexed by her stupid actions .
As a result of the change in weather, the tree began to lose its leaves.
Muscles that are not regularly exercised will usually atrophy and lose strength.
If you keep on following this diet, you will lose a lot of weight in a short period of time.
She's trying to lose weight, but she always succumb to chocolate ice cream!
This diet pill is certainly not a cure-all for those struggling to lose weight.
The 1917 mutiny by French soldiers could have cause France to lose the war.