Yes sex can make you tired because your moving and moaning during se so yes
Infection can make you tired and reduce your sex drive.
Yes.
If you're tired after sex, go to sleep!
Sex is typically full of physical activity and it can make you tired. Also, "feel good" chemicals are released during sex that can relax you. And finally, a lot of people have sex in the evening when they are already tired to begin with.
Yes!
Because sex is an activity and your working and breathing hard.!
Not Harmfull but do sex when you need do not do sex when your partner is tired be relax
Go to sleep.
yes its quite the work out ;)
Ask him.
If you're too tired to have sex, just sleep!
Stop the sex!