So, about the 4-fmp I asked about a while ago; I took it a few weeks back, but never reported back, so here goes.
I was taking the 4-fmp with a good friend of mine and his girlfriend, and we had another friend to watch us for the first few hours (none of us took 4-fmp before, so we wanted to be safe). We had a total of 5 pills; I ended up taking two, the others took one and a half each after a number of redoses. Not sure how big the pills really were, since I don't really have a reference to anything else.
Besides weed I never did any other drugs than truffles, and 4-fmp is a completely different thing. We took the pills at 6pm. The come-up was pretty smooth, except for the fact that I got a headache and a stomach ache (I had half a pizza about half an hour after the first half pill, which was a pretty bad idea. I didn't eat anything else for the rest of the duration), but once that went away a bit things got much better. I felt tingly all over, and most of all I just felt happy and very involved in every conversation. After our sitter left at around 10pm the three of us decided to go for a long walk, which felt pretty good, like I was sort of floating the whole time.
When we got back, we put on some music and sat down at the table, and just started talking. By the time we got back it was 11.30pm, and asides from toilet breaks and stuff, we ended up sitting there until 8.30am the next morning. Definitely one of the best conversations I've had in my life; the 4-fmp made me so much more involved (I'm usually quite involved regardless, so this took it to another level) and I didn't get sleepy at all. It's just like an on-switch, so to say; take the pills and you can just go for hours. I can definitely see why people take this at festivals and the likes, and that's something I wanna do somewhere over the summer. Overall, great experience (except for the headache and stomach ache).
Also planning on doing truffles again with a friend tonight; the two previous times I did 'em I think I dosed a little too low, so I'll up that a little and see how it goes. Looking forward to it for sure.