Well, only you can answer this question. However, there are some signs that can tell you that you might benefit from therapy. 
Signs that you could benefit from therapy include:
– Your problems don’t seem to get better despite your efforts and help from family and friends
– Your problems negatively affect your work/school or everyday activities
– You are experiencing changes or disruptions in sleep or appetite
– You are still feeling the effect of a trauma or grieving
– You want to understand the roots of your patterns and feelings but don’t know where to start