Everything seems great. LH pulses throughout the day with a peak and a drop every hour or so; your blood was probably drawn right at the peak of the LH pulse and happened to be slightly above the 95th percentile, which is nothing to be worried about. FSH is fine.
How are your diet, fitness level, sugar, cholesterol, body weight, etc.? ED can sometimes indicate cardiovascular or metabolic problems like prediabetes. Other possibilities are performance anxiety (for which ED meds can help as well) or something as simple as boredom or loss of interest in your partner.