Struggling mega!

Im 8 weeks 2 days pregnant and im feeling like crap all the time! No energy at all tired but cant sleep! And a really really bad tast in my mouth all the time! This is my 2nd pregnancy with my first i saled though it but fast forward 5 yrs and its taking everything out of me! I feel bad as people would kill to be pregnant i just want to enjoy it but all i can think is i cant wait till its over with please tell me im not alone?!?!? When will it stop and what with the funny tast