I'm in Love With My Father's Wife

Dear Eve,
It was so early in the morning,I haven't slept a bit althrough the night,my mind was flowed with the event that happened two nights ago.That night is a night my penis slept for once in ten months.I have been desiring her,all I get at the sight of her is an erection but two nights ago I eat the forbidden fruit,I slept with my Step mom.
Ten months ago,My kid sister called me sobbing uncontrollably,i was scare,many thought ran through my mind in what could make Benita cry this way.the last time I heard her cry like this was during our mother's burial ten years ago.She was just seventeen then but she sobbed that day as if she will not live a day after mom's burial.Hearing her sob the same way today was painful.she broke the news after I calmed her down,Dad is taking another wife.
I objected when I got home and stood my ground.all my effort to stop my father's marriage didn't work and Dad married Cecelia.She made me uncomfortable with her beauty,She can turn Everyman into a dummy with her figure infact immediately I set my eyes on this lady I knew that I want her in my bed.
Everyday became a torment,Since we all live in the same house.She was so nice to me and Benita,she serve us food as a maid.she does everything so perfect but the most perfect part of her is her seductive figure.Her full pointed breast can open the eyes of a blind man and like a ritual,that's where my eyes always set on every morning she walks into my room to wake me for morning devotion.For all these months I intentional wait for her to come and wake me up for morning devotions,not that I was asleep but I always desire the intimacy between both of us in my room.i want to feel her presence in my room.Though I have a girlfriend but I love Cecelia more ,I wish I saw her before Dad.Though I love my Dad his marriage to my Dream woman is like a wound to my heart I wish he can drop dead so that I can have Cecelia to myself.
Then the D-Day has come,My Dad has travelled to port harcourt four days ago to return on Monday being the sixth day he travelled.Cecelia has been coming to call me for devotions each morning I feel the urge to grab her front behind and fling her down on my bed.Two days ago I fulfilled that desire.I have been awake since 4:am thinking about her.by 5am I felt her hand tap my leg gently and she whisper"it's time honey wake up"I pretended to be fast asleep she repeated again calling for me to wake up then i opened my eyes and my erection was hard on seeing her stand before me.I asked her to help me get my toothbrush from my bedroom,she walked in her usual manner of a classic lady into the bathroom and her buttock won't stop bouncing to Rythm of her step.By the time she stretched out her hand to hand me the brush I held her hand.i couldn't let her go.i stared into her eyes and lust got me blinded and she stared into mine.I stood up but she didn't move.We were in that position for few minutes and she made to turn away that was when I hugged her from behind.Playing around her breast region with my fingers,I kissed down her neck area and licked up her ears.she moaned in her way that set fire down my system.I turned her around and made her lie down on her back in my bed.She was naked when I spread her legs wide up,I licked vaginal for few minutes and she was screaming my name.I thought my penis will burst up with the amount of sensation going through my veins,then I dig my dick into her and let each thrust into her slide gently.
After the act,we didn't hold the devotion again.Then Benita walked quietly into my room as I was dressing up for work and asked me the Question"How could you"I was ashamed of myself.i couldn't answer her question and she asked again,How could you close your eyes and watch Cecelia live in this house like a queen and contest with me over my father's Love?I exhaled,I thought I have been made?I answered quietly Dear Cecelia is not contesting with you,she is minding her business but you are the one one kept your life on hold to contest with a woman who is living her life.After watching me  without saying a word for some minutes she walked out of my room.
I resumed my life as usually but my life has not been the same.I feel more love for Cecelia,I wish my Father will not return from this trip,I wish Benita will just leave the house for me and Cecelia.I
I sent a message to Cecelia after that incident and she called back.i received the call,her gentle voice  sounded in my ear"Gabriel am so sorry too"
I drove home immediately to hold her once more but she wasn't home.she has gone to work,did I mention she is a fashion designer.since that day till today,we have been avoiding each other.laying down on the bed this morning I wish I can rush into her room and finish what I started.
I don't know what to do,am so in love with Cecelia,I can bate seeing her with my father.
What Do I Do?