Words of encouragement

I had a baby boy about 2.5 weeks ago. I’m in love with him and he is so awesome. But lately I have just been feeling so sad and down. His dad is in his life and we are in a relationship but he doesn’t help out. He rather go out hang out with his friends or play his game. Like he doesn’t spend time with his son. I’m exhausted and overwhelmed with everything. I don’t know what I should do. Just looking for encouraging words to get me thru. I want to enjoy motherhood but it’s difficult right now