Help me lol some pregnancy symptoms negative result

Hi everyone :) 
Me and my bf have been trying for a baby, the last week or so I've felt really tired and have no energy, also having mood swings and a metallic taste in my mouth. My friend said I may be pregnant so I took a test and it came up negative that was 2 days ago. My period started on 2/2 and ended 6/2. Is it to early? or are these symptoms something else? Help needed guys lol