Careful which piece you decide to take with! (in-depth review)

I analyzed a bit and it looks like black can force a mass trade on his terms on the e6 square. The sequence goes fxe6, Bxe6+, Qxe6, Rxe6, Bxe6 and gives this position:

I analyzed a bit and it looks like black can force a mass trade on his terms on the e6 square. The sequence goes fxe6, Bxe6+, Qxe6, Rxe6, Bxe6 and gives this position:
and the analysis managed to go from a potential +5.68 to an actual -4.11 when I was sitting at a +3.5 the previous turn. A whole 9.79 points!!! of evaluation by one single seemingly unimportant decision (or atleast what I thought at the time), even though it was only a play that was -2 material wise. I completely threw away my advantage realizing i had made a mistake and decided to not recapture on f7. I was left fighting my way back positionally to an eventual checkmate off of a hard to find single missed move by my opponent (though props to them for the well played match).