hi, i don't know if lilith trines and sextiles (especially to outer planets) are felt that strongly. Lilith is unpredictable energy that can be felt very strong in conjunctions, oppositions and squares to personal planets.
I honesty don't have any anecdotal evidence of trines being felt much or at all. If anything that trine to Mercury might deepen your communication and be more comfortable with darker parts of the others psyche.
I can't tell from the image what hoses your liliths are but if there are strong aspects in the natal chart or if this is taking place on an angle i wouldn't dismiss it.