I HAVE A DOUBT

apparently everyone i see on instagram be it boys and girls both of them rant a lot on being single or saying things like ohh is there anyone who can just be with me for the valentine's week etc and we all know boys how badly we want to be with someone MY QUESTION IS IF AAG DONO JAGA ITNI HAI TOH WHY IS NOT EVERYONE WITH SOMEONE ????? like demand and supply bhi hai like girls do want to be with someone and boys ofc ofc want someone toh EQUILIBRIUM hit kyu nhi ho raha ? and who is to be blamed for that and can we change that ??????