Welcome to HCM,
Habit of masturbation
is very common now a days.
Nothing to worry,there is no bad effects on your health.
Eating of your cum is not good habit but it will not give any bad effect.
Try to avoid drinking your cum.
Keep your masturbation habit in control.
Ejaculation problem will gradually will be alright .
You may take Tab. Viagra
after consulting your doctor for ejaculation problem.
Ok and bye.