baby eats every hour for 10-15 min max !!

Nadia • Miami ,FL
How do I get my 5 week old to take full feeds ? 
My LO has been like this for almost two weeks . He eats every hour both day and night . Sometimes I get two hour but not often . 
Any advice would be great ..  he is gaining weight and enough diapers but it's just so hard on me . I can't do anything!