Problem with my plant

Please read this. I have this plant as you see, on a window shelf, or something like that... The seed is from weed, it's not bought, I water it every second day, mostly with distilled water. Sun doesn't shine directly at it. I don't use any fertilizers simply because I I don't know so much about this. As you can see, stems and leaves are a little bit curled... So please help me, I can't determine what is wrong with it.

Ok firstly keeping a pot inside another container is never a good idea as it doesn’t allow water out and air in so you need to remove the pot from that container and allow free air to access the drain holes in the pot. Never let your pots sit in water!

You should also water when the plant wants water and not to a schedule, more so if you are using natural light, this is because on sunny days the plant will drink more than on dull days, so water requirements are variable; the tried and tested method is to feel when the pot is light in weight and use this as a sign that your plants need watering.

Your soil doesn’t look like is has much in the way of perlite in it which allows for air to get to the roots. Dense soils have poor drainage and starve roots of oxygen, next thing you know you will have root problems like mold. If you smell the bottom of the pot and can detect mold you will need to address this by carefully re-potting into better soil, add sand gravel and perlite or vermiculite.

its overwatered, you cant water soil that hasnt dried, you will stop O2 getting in there. With no sun on it i doubt you need to water more than once a week.

Baxters:
Yes, I know about the pot, I'll try to fix that.
I read somewhere, that you MUST schedule your watering. I thought that was weird...
I forgot to write this, I watered the plant just before I pictured it, like 5 second after I watered it, I took a picture, so maybe it's because of that? Thank you

*BUDS:
So yeah, like I mentioned maybe it's like that because I watered it just before I took a picture?

And actually, after I watered it, it became almost normal How's that?

Did you recently transplant?

I transplanted it about three weeks ago

So this is today's picture. The picture is taken again right after watering, and also I had her outside in the sun, for like two hours. As you see, the stems and leaves are curled down a bit, still. I find it weird, that in the morning, they are straight and normal.
Also, I've been meaning to ask if you have a plant outside, how do you know when is the plant mature enough so you can dry it. And if you have any useful tips for an amateur, pleeeeease tell me. I appreciate it