Don't, as that Choice will end the Ellie Dylan Route.
To me, the Dylan/Elli route is both necessary for the Elli/Sophia route and for a "revenge event" with Elli/Sophia and Logan. If you continue down the Dylan/Elli route it will probably split into a sexual Elli/Dylan route that excludes Sophia and a sexual Elli/Sophia route that excludes Dylan but Dylan accepts that sexual connection and that wouldn't work if Dylan and Elli still hate each other.
Elli's decision to break with Logan depends on the advice of Dylan (the player). This makes a "revenge event" possible, but this is pure speculation on my part and refers to the "wild" event L&P once spoke of. The precondition would be a renewed (accidental?) meeting of Sophia, Elli and Patricia with Logan and his friends. Here it would be possible that Sophia and Elli have lesbian sex as well as sex with Tyler (how far that would go I can't say!) and Logan has to watch. For me such an event would have the advantages that Sophia will finally have sex with a stranger (Sam doesn't count - that's the romantic way) and there will be no regression and no big bad conscience from Sophia afterwards. So Sophia has been sexually active with the two women in the past, she knows she can trust Elli and Patricia, and they are now accomplices of Sophia which lowers the moral factor overall. It will be like the visit to the night bar, "What happened stays between us!".
But everything I have written is based on such scanty evidence and kitchen psychology that I will not defend this theory.