Help seedlings!!!

My seedling stem is weak

more light, less water, better soil a fan,,,,,? could be anything..we need more details....

put a tooth pick next to it or a kebab stick an tie her up or put in a slightly larger pot an bury her she will sprout more roots of the stem you could try putting the light a little closer also a small pc fan or something would probably help as lady kimi said details lights soil/coco water etc etc details details