When you were younger, it was easier to get an on demand erection, but as you get older, it is not going to be as easy. This is why you have to take action and work on making sure you are putting in the time to understand what works.
You will be able to get that on demand erection as long as you are focusing on how to make changes.
There are three things you can look at as a man which you should be to get those erections back to how they used to be in the past.
You should be looking to exercise as this is going to help you feel good and is going to make you look good too. Getting a good workout in is going to help you reduce stress and also help increase your stamina which is never a bad thing.
2) Sleep More
Are you getting enough rest during the night? If you are tired, you won't be able to get your erections as you would want. It is natural because your body is going to be too tired and will go into a shell. This is why you have to sleep as much as you can.
3) Reduce Stress
You want to cut out the stress because it is not your friend and is only going to make things worse for you. When you have stress in your mind, you will not be able to concentrate at all, and that's not something you want in your life.
When you are hoping to get a good erection in bed, you will have to think about these items of concern. It is the only way you will be able to get to a point where you won't have to mull over this for too long.