Likutei Moharan, Part II
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
רָאוּי לְהַרְהֵר בְּדִבְרֵי־תוֹרָה בִּשְׁעַת זִוּוּג, וְאַף־עַל־פִּי־כֵן יוּכַל לְהוֹלִיד בָּנִים, אַף־עַל־פִּי שֶׁמַּחֲשַׁבְתּוֹ תִּהְיֶה דְּבוּקָה אָז בְּהִרְהוּרֵי תּוֹרָה. וְטוֹב מְאֹד לְהַרְגִּיל עַצְמוֹ בְּכָךְ:
Likutey Moharan Volumes 12-15, trans. by Moshe Mykoff. Breslov Research Inst., 1986-2012
It is proper to meditate on words of Torah during marital relations. One can conceive a child even with one’s mind bound to thoughts of Torah. It is very good for a person to train himself in this.