Yes and no, a scale can help by telling if you are losing or gaining weight but the downside is that it can also discourage you. It can make you feel like you are not making any progress at all or it can make you feel like you have gained weight.
        
             
        
        
        
It's a verb that has to have a ACTION and a SUBJECT is the sentence. 
        
                    
             
        
        
        
Your answer is "why" 
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<em>‘wherefore’ is a bit more difficult because it could be confusing. In Renaissance English ‘wherefore’ meant ‘why.’ So Juliet is saying “Why are you Romeo?”</em>