No of course not! I’m sure there are plenty of people who love you!
You are going to meet a lot of people throughout your life some may stay and some may go. So make sure you remember to learn to love yourself!
There’s nothing wrong with enjoying your own company! And there’s also nothing wrong with wanting companionship!
If you don’t want to be alone you won’t be alone for long! I’m sure you’ll make a lot of friends and, if you want one, a significant other in no time!
Get a actual Japanese speaking person to teach you or use Duolingo
These are the only options I know of
A ciência permite a humanidade compreender um pouco mais sobre a natureza, a ciência é importante na nossa vida pois nos ajuda a ter uma qualidade de vida melhor, pois através da ciência muitas doenças foram eliminadas.