A little obsessive maybe, but not lonely.

也许有些强迫倾向，但不是孤独。

youdao

Maybe a little obsessive, but not lonely.

可能会有点强迫性，并不是寂寞。

youdao

I'm not lonely.

我可不孤单。

youdao

I will not leave you lonely. See what I have brought for you.

VOA: special.2009.02.28

Such a person presumably is not feeling lonely or alienated while he dies.

这种人死去的时候显然没有感到独孤或疏远。

耶鲁公开课 - 死亡课程节选

At first, people kept phoning, to make sure that Nita was not too depressed, not too lonely, not eating too little or drinking too much. (She had been such a diligent wine drinker that many forgot that she was now forbidden to drink at all.) She held them off, without sounding nobly grief-stricken or unnaturally cheerful or absent-minded or confused.

NEWYORKER: Free Radicals

Dog owners, by contrast, are given detailed instructions on ensuring their pets do not become lonely or isolated as "dogs are a social species and need the company of people, dogs or other animals".

BBC: Pet owners face code of practice

Three years ago, a BBC Trust report said the "scale and nature of the Lonely Planet acquisition" would not be considered again but at the time, it said that Lonely Planet would not be sold off.

BBC: Worldwide sells Lonely Planet business at ?80m loss