Is it too much? If this is just a necessity helping to look good, then no problem. If you plucked your eyebrows too much, or there are bald spots on your head as a result of pulled hair, than you need to see a doctor. You mentioned pleasure... Is this really an urge?Again, the best way to find out is to seek professional advice.
Where 2 Draw Line? Chronic hair pulling - trichotillomania- is a body-focused repetitive behavior (bfrb). "trich" can arise in response to (a) emotions - anxiety, fear, boredom, excitement; &/or (b) detecting some roughness/imperfection of hair/skin. Hair pulling can feel pleasurable & can serve to relieve tension. There are effective treatments. Learn about trich @ trich.Org. U might consider consulting an expert.