Human: What are the best ways to keep my houseplants healthy? Assistant: 

1. Make sure they get enough light, but not too much.
2. Water them regularly and make sure the soil is well-drained.
3. Fertilize them occasionally with a balanced fertilizer specifically designed for plants.
4. Trim off any dead or yellowing leaves.
5. Repot your plant every few years to ensure it has enough room to grow.
6. Monitor your plants closely for pests or diseases.