Explanation #1: Rashi explains that for the B'nei Eretz Yisrael, who need to be sent outside the three camps, they are not Yisurin shel Ahavah.

Question: Shilu'ach Machanos only applies when the Yovel and Batei Arei Chomah apply; and they did not apply in the era of the Amora'im, as we say in Maseches Gitin (36.) ...

Question (cont.): So how can Rebbi Yochanan speak about something that did not apply in his time?

Explanation #2: Some explain 'Ha Lan, ve'Ha L'hu' with regard to Tum'ah, of which they were careful in Eretz Yisrael, but not in Bavel.

Explanation #1: Rashi explains that for a great a person as Rebbi Yochanan, they can only have been Yisurin shel Ahavah.

Question: The Gemara concludes that where there are no children at all, it is not considered Yisurin shel Ahavah, and there are many Tzadikim who have not had children, such as Yehoshua, whom we do not find had children.

Rejected Answer: And if it because he had daughters ...

Rejection: Rebbi Yochanan had daughters too, as we learn in the last Perek of Kidushin (71:).

Explanation #2: What the Gemara therefore means to ask is that since Rebbi Yochanan made a point of comforting others with his last son'sbone, it must have been Yisurin shel Ahavah ...

Conclusion: But there is no intrinsic proof that it was, since there are Tzadikim who suffer Yisurin.

Rejection of Text: One cannot read 'Ein Adam Zocheh' ...

Reason: Since many Tzadikim merited 'two tables', such as Rebbi ...

Source: As the Gemara explains in the last Perek of Horayos (Daf 10:).

Implied Question: There are many Tzadikim who suffer some financially, some physically ...

Answer: Only they knew that he (Rav Huna) did not give his share-cropper his share of branches, and they wanted to drop him a hint that he should do it again.

Clarification: But something that is attached, such as the Aron ha'Kodesh and the Bimah, is not considered an interruption.

Clarification (cont.): A bed however, is not something that one would consider attached.

Clarification: Since he (Aba Binyamin) would not perform any work before he had Davened.

Explanation #1: Rashi explains that even to learn before Davening is forbidden ...

Question: But Tosfos does not know where Rashi takes this from.

Explanation #2: In fact, a proof that it is permitted to learn before Davenning is from the Gemara in the second Perek (Daf 1:) where it says that 'Rav would wash his hands, recite a B'rachah, then give his Shi'ur and recite the Sh'ma, and when the time arrived to say the Sh'ma ... '.

Clarification: But not from east to west.

Clarification (cont.): And this is confined to where one is sleeping with one's wife - because the Shechinah is to be found between east and west, and it would be disgraceful to lie with one's wife (in the same direction) due to intimacy.

Source: And this is evident from the Pesukim which the Gemara cites.