I jack off at least once a day but go through phases of really hitting my porn collection as a relaxation method and will then pop up to half a dozen times a day during long sessions of constant jacking off, going to the brink and then repeating until I really need to pop and my balls are bursting for release! All depends. Sometimes if I'm having a stressful time in my busy job, I'll try and have as much sex as I can with my girlfriend but often jack off to the point of popping several times beforehand to enhance my orgasms when I do have sex with her. I'm a 41 year old guy and in good shape but my gf is 22 so I find I need extra staying power to satisfy her properly and achieve the long satisfying climaxes I enjoy. So I've been practicing 'Tantric' techniques to delay my pops, increase the loads I shoot and also lengthen my orgasms to the max. So I jack off all the time trying to gain that extra bit of delay and muscle control. I believe not on in quantity of orgasms are heathly but the QUALITY. I love the sheer headrush pleasure and euphoria of a really intense long pop...and love to shoot huge loads of semen after encouraging the build up during sex or jacking off.
The added benefit is now I can get blown and have my glans sucked hard by my girl at same she is is jacking me off and squeezing my balls and control when I pop...so really enjoy getting great head now, I relax totally and only shoot my load ater a good 25-30 minutes of pleasure. On a good day I can last longer but my girls sees it as a matter of pride to get me to pop within half an hour!
I certainly believe jacking off contributes hugely to my sense of well being and lack of stress. There's no feeling in the world better than shooting a fat load of sperm.