Do guys ever get nervous during sex?

yea guys get nervous sometimes, especially when it's someone new. signs could be a limp, erect but not fully erect penis, and the inability to cum.

YES.

sign are:

-looking in strange directions
-eyes going everywhere
-sweat
-the guy goes limp (loses his erection)
-the guy doesn't cum

he can't get it up

Of course we do. Do you have any idea how much pressure has been put on us to perform? We worry about whether or not we can truly satisfy a woman, or whether she is going to go off and tell her girlfriends how she had to use her favorite little toy again afterwards. Sometimes it is harder to enjoy ourselves fully, because we are so caught up in making sure that the woman is being pleased.

Going soft, getting distracted, and not being able to come are pretty good signs that a guy has gotten nervous.

Yes some time, when their nervous their have sex too slowly