Nuh mate I'm sure many of us have done the same thing

Just don't make a habit of it. If you have a good time that's all that matters. Some people say they can't do it alone because they crave being around people so much, which is fair enough...it's probably at its best that way.
I had some great solo trips with MDA/MDMA, going for walks at night time, rolling on grass, trying to do cartwheels and handstands, then melting into the couch. If you have any pets I'd spend some quality time giving cuddles, and tummy scratches, and maybe a wrestle if the pet is appropriate.
I hate to be that guy who always is telling stories of his former fun times

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Me and my girlfriend were on a really good dose of MDMA and she told me she was going to drive me somewhere special. I had no idea...thought it might be to get ice cream or something. We pull up at this old run down looking house, I was a bit hesitant (this wasn't no icecream) but figured I'd humour her..she gets me to cover my eyes and walks me inside........tells me to uncover and right there on the floor in front of me are
9 labradoor
puppiez 
looking up at me with their mischievous faces. Was the cutest thing I had ever seen and I had to sit down from the intensity of it, I'm a big fan of puppies without MDMA so you can imagine how blown away I was. My GF had volunteered to look after this families house while they went away for a few days, was good times.
Anyone ever feel like their best drug experiences are far behind them? I can't imagine ever getting to the level of good times I had...it's more than just losing the magic,
I guess maybe I just grew up a bit too much? I guess maybe I just grew up?