Grow is related to Nice. Nice is a different concept from Mean. Mean is a synonym of Strong. Strong is similar to Stiff. 
Willing is similar to Happy. you would Skip because Happy. Skip is a synonym of Interval. Interval is a synonym of Separation. 
Grow <--RelatedTo--> Nice <--DistinctFrom--> Mean <--Synonym--> Strong <--SimilarTo--> Stiff 
Willing <--SimilarTo--> Happy <--MotivatedByGoal-- Skip <--Synonym--> Interval <--Synonym--> Separation 