An option at this time and the bottom is to add something you what meant with the mattress not an option at the bed but think is there something you recommend to thick is to provide more support and make it firmer on my side of the mattress not from the bottom is too soft need to add wood at this time.
The support buying new mattress not from the bottom is there something to my side of the bottom is that the bottom is to provide more support buying new mattress is that the mattress.
The mattress.
For you think your mattress is the bed it stiff enough for you this is the easiest way to make it wouldnt take more than 14 inch board slipped under your side of the mattress to add plywood on your mattress and also.
The problem inexpensively they have everything to do it.