HL2 is frustrating...

I've heard so much about how this is one of the best games ever, and
maybe the best FPS, but I have to admit I'm getting really frustrated
early on.

I feel like I am constantly being attacked by enemies from all over the
place, oftentimes from above when I can't even see them right away, and
a lot of times I run low on ammo as well.

Then there's those little flying razor things that seem to come at me 4
or 5 at a time.

Finally, I just finished a boat sequence where a helicopter was shooting
at me and dropping bombs in front of me. It seems like there's just no
way to avoid some of this stuff. I can dodge most, but not all, of the
bombs, but when it shoots at me it's like I just have to sit there and
take it. (And then of course there's crashing all over the place and not
knowing where to go.)

I'm always good at this kind of stuff, but for some reason I feel like
HL2 is just overloading me with enemies and damage and there's almost
nothing I can do about it but just plow ahead.

Does it at least get a little better than this?