Please explain me the meaning of "it sucks"in “Oh I don’t like this part of your product,it sucks"

LOVE and RESPECT! Love is something which is sacred. When love alive, we can sacrifice to each other. But if this sacrifice just come in one trend. I think we will feel tired and not respect!

My daily actitvities. Everyday, I get up at 6 a:m. After taking a tooth brush, I make breakfast for my son and I have my breakfast while I turning on the washing machine. My son get up at 7 o'clock and I put breakfast for him until 7:45. After that, I dry the clothes and drink a can of milk. I read story for my son and coloring with him. and after I put milk to him, I continou making lunch for my family. after have luch, while my son sleep, I learn English or read book. 4 p:m, I make dinner and I go to work at 6:00 pm to 8:00 pm. After I go home, I put milk for my son and we go to bed at 10 o'clock.

Please tell me the meaning of the phrase "jar-lid-tight"? thank you very much!

Please show me the meaning of " look someone in the eyes and streat them"? Thanks for advance!

Don't anxiety about me! Now I am missing my parents very much. From the day I leave my hometown to live with my husband, it's nearly 2 years. I know that my parents are also miss and love me very much. I feel I've not done good things for my parents. I love them..love so much and always pray that they can be happy and not anxiety about me. Now I had a son and know clearlier about parents' anxiety for children!